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Finding the Fourth Proportional to 477,125.47, 715,691.31 and 140,164.75

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Solution

The fourth proportional to 477,125.47, 715,691.31 and 140,164.75 is: 210,248.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,125.47 : 715,691.31 = 140,164.75 : x
  2. Step 2: Convert to fraction form
    477,125.47/715,691.31 = 140,164.75/x
  3. Step 3: Cross multiply
    477,125.47x = 715,691.31 × 140,164.75
  4. Step 4: Simplify right side
    477,125.47x = 100,314,693,543.32
  5. Step 5: Solve for x
    x = 100,314,693,543.32/477,125.47
  6. Step 6: Final answer
    x = 210,248.04

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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.