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Finding the Fourth Proportional to 392,952.38, 588,542.36 and 275,149.64

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Solution

The fourth proportional to 392,952.38, 588,542.36 and 275,149.64 is: 412,103.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,952.38 : 588,542.36 = 275,149.64 : x
  2. Step 2: Convert to fraction form
    392,952.38/588,542.36 = 275,149.64/x
  3. Step 3: Cross multiply
    392,952.38x = 588,542.36 × 275,149.64
  4. Step 4: Simplify right side
    392,952.38x = 161,937,218,478.75
  5. Step 5: Solve for x
    x = 161,937,218,478.75/392,952.38
  6. Step 6: Final answer
    x = 412,103.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.