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Finding the Fourth Proportional to 560,463.93, 773,457.21 and 318,781.26

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Solution

The fourth proportional to 560,463.93, 773,457.21 and 318,781.26 is: 439,927.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,463.93 : 773,457.21 = 318,781.26 : x
  2. Step 2: Convert to fraction form
    560,463.93/773,457.21 = 318,781.26/x
  3. Step 3: Cross multiply
    560,463.93x = 773,457.21 × 318,781.26
  4. Step 4: Simplify right side
    560,463.93x = 246,563,663,959.89
  5. Step 5: Solve for x
    x = 246,563,663,959.89/560,463.93
  6. Step 6: Final answer
    x = 439,927.80

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