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Finding the Fourth Proportional to 574,426.70, 861,640.05 and 455,453.90

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Solution

The fourth proportional to 574,426.70, 861,640.05 and 455,453.90 is: 683,180.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,426.70 : 861,640.05 = 455,453.90 : x
  2. Step 2: Convert to fraction form
    574,426.70/861,640.05 = 455,453.90/x
  3. Step 3: Cross multiply
    574,426.70x = 861,640.05 × 455,453.90
  4. Step 4: Simplify right side
    574,426.70x = 392,437,321,168.70
  5. Step 5: Solve for x
    x = 392,437,321,168.70/574,426.70
  6. Step 6: Final answer
    x = 683,180.85

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