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Finding the Fourth Proportional to 439,337.00, 658,753.16 and 172,952.16

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Solution

The fourth proportional to 439,337.00, 658,753.16 and 172,952.16 is: 259,328.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,337.00 : 658,753.16 = 172,952.16 : x
  2. Step 2: Convert to fraction form
    439,337.00/658,753.16 = 172,952.16/x
  3. Step 3: Cross multiply
    439,337.00x = 658,753.16 × 172,952.16
  4. Step 4: Simplify right side
    439,337.00x = 113,932,781,064.07
  5. Step 5: Solve for x
    x = 113,932,781,064.07/439,337.00
  6. Step 6: Final answer
    x = 259,328.90

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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.