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Finding the Fourth Proportional to 624,442.60, 861,729.78 and 337,962.52

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Solution

The fourth proportional to 624,442.60, 861,729.78 and 337,962.52 is: 466,387.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,442.60 : 861,729.78 = 337,962.52 : x
  2. Step 2: Convert to fraction form
    624,442.60/861,729.78 = 337,962.52/x
  3. Step 3: Cross multiply
    624,442.60x = 861,729.78 × 337,962.52
  4. Step 4: Simplify right side
    624,442.60x = 291,232,368,007.85
  5. Step 5: Solve for x
    x = 291,232,368,007.85/624,442.60
  6. Step 6: Final answer
    x = 466,387.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.