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Finding the Fourth Proportional to 502.24, 753.18 and 242.04

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Solution

The fourth proportional to 502.24, 753.18 and 242.04 is: 362.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.24 : 753.18 = 242.04 : x
  2. Step 2: Convert to fraction form
    502.24/753.18 = 242.04/x
  3. Step 3: Cross multiply
    502.24x = 753.18 × 242.04
  4. Step 4: Simplify right side
    502.24x = 182,299.69
  5. Step 5: Solve for x
    x = 182,299.69/502.24
  6. Step 6: Final answer
    x = 362.97

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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.