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Finding the Fourth Proportional to 502.57, 754.04 and 363.88

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Solution

The fourth proportional to 502.57, 754.04 and 363.88 is: 545.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.57 : 754.04 = 363.88 : x
  2. Step 2: Convert to fraction form
    502.57/754.04 = 363.88/x
  3. Step 3: Cross multiply
    502.57x = 754.04 × 363.88
  4. Step 4: Simplify right side
    502.57x = 274,380.08
  5. Step 5: Solve for x
    x = 274,380.08/502.57
  6. Step 6: Final answer
    x = 545.95

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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.