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Finding the Fourth Proportional to 529.25, 793.17 and 474.57

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Solution

The fourth proportional to 529.25, 793.17 and 474.57 is: 711.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.25 : 793.17 = 474.57 : x
  2. Step 2: Convert to fraction form
    529.25/793.17 = 474.57/x
  3. Step 3: Cross multiply
    529.25x = 793.17 × 474.57
  4. Step 4: Simplify right side
    529.25x = 376,414.69
  5. Step 5: Solve for x
    x = 376,414.69/529.25
  6. Step 6: Final answer
    x = 711.23

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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.