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Finding the Fourth Proportional to 574,508.50, 861,763.66 and 237,178.94

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Solution

The fourth proportional to 574,508.50, 861,763.66 and 237,178.94 is: 355,768.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,508.50 : 861,763.66 = 237,178.94 : x
  2. Step 2: Convert to fraction form
    574,508.50/861,763.66 = 237,178.94/x
  3. Step 3: Cross multiply
    574,508.50x = 861,763.66 × 237,178.94
  4. Step 4: Simplify right side
    574,508.50x = 204,392,186,507.56
  5. Step 5: Solve for x
    x = 204,392,186,507.56/574,508.50
  6. Step 6: Final answer
    x = 355,768.78

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Similar ratio
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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.