By Imy Brighty-Potts A disgruntled Powerball player claims he missed out on a life-changing jackpot worth $340 million despite his numbers matching the lottery’s website. The company claims that it was a “mistake.” John Cheeks is now suing Powerball and the DC Lottery. Mr Cheeks bought a Powerball ticket on January 6, 2023, when the jackpot rose to a whopping $340 million prize, according to a complaint he filed last November. Mr Cheeks told NBC 4 he bought the ticket using his family members birthdates, and then missed the live drawing on January 7. He wasn’t in a rush to check his numbers si…