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Finding the Fourth Proportional to 574,257.75, 861,781.10 and 200,280.75

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Solution

The fourth proportional to 574,257.75, 861,781.10 and 200,280.75 is: 300,558.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,257.75 : 861,781.10 = 200,280.75 : x
  2. Step 2: Convert to fraction form
    574,257.75/861,781.10 = 200,280.75/x
  3. Step 3: Cross multiply
    574,257.75x = 861,781.10 × 200,280.75
  4. Step 4: Simplify right side
    574,257.75x = 172,598,165,043.83
  5. Step 5: Solve for x
    x = 172,598,165,043.83/574,257.75
  6. Step 6: Final answer
    x = 300,558.70

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1.5x scale

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.