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Finding the Fourth Proportional to 502, 753.24 and 274

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Solution

The fourth proportional to 502, 753.24 and 274 is: 411.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    502 : 753.24 = 274 : x
  2. Step 2: Convert to fraction form
    502/753.24 = 274/x
  3. Step 3: Cross multiply
    502x = 753.24 × 274
  4. Step 4: Simplify right side
    502x = 206,387.76
  5. Step 5: Solve for x
    x = 206,387.76/502
  6. Step 6: Final answer
    x = 411.13

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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.