[
  "Draw a bar for the total pot. Wife gets 1/3 = $200,000, so total = $200,000 x 3 = $600,000.",
  "Remainder: $400,000. Daughter: 1/4 x $400,000 = $100,000. Son: 3/20 x $400,000 = $60,000. Charity: rest.",
  "$240,000 was given to charity. Answer: $240,000."
]