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Finding the Fourth Proportional to 906,399.86, 1,359,729.18 and 337,732.47

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Solution

The fourth proportional to 906,399.86, 1,359,729.18 and 337,732.47 is: 506,646.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,399.86 : 1,359,729.18 = 337,732.47 : x
  2. Step 2: Convert to fraction form
    906,399.86/1,359,729.18 = 337,732.47/x
  3. Step 3: Cross multiply
    906,399.86x = 1,359,729.18 × 337,732.47
  4. Step 4: Simplify right side
    906,399.86x = 459,224,694,492.48
  5. Step 5: Solve for x
    x = 459,224,694,492.48/906,399.86
  6. Step 6: Final answer
    x = 506,646.92

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