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Finding the Fourth Proportional to 592.20, 817.17 and 371.13

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Solution

The fourth proportional to 592.20, 817.17 and 371.13 is: 512.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.20 : 817.17 = 371.13 : x
  2. Step 2: Convert to fraction form
    592.20/817.17 = 371.13/x
  3. Step 3: Cross multiply
    592.20x = 817.17 × 371.13
  4. Step 4: Simplify right side
    592.20x = 303,276.30
  5. Step 5: Solve for x
    x = 303,276.30/592.20
  6. Step 6: Final answer
    x = 512.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.