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Finding the Fourth Proportional to 497,428.80, 746,434.80 and 181,917.60

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Solution

The fourth proportional to 497,428.80, 746,434.80 and 181,917.60 is: 272,983.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,428.80 : 746,434.80 = 181,917.60 : x
  2. Step 2: Convert to fraction form
    497,428.80/746,434.80 = 181,917.60/x
  3. Step 3: Cross multiply
    497,428.80x = 746,434.80 × 181,917.60
  4. Step 4: Simplify right side
    497,428.80x = 135,789,627,372.48
  5. Step 5: Solve for x
    x = 135,789,627,372.48/497,428.80
  6. Step 6: Final answer
    x = 272,983.04

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