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Finding the Fourth Proportional to 592.31, 817.85 and 468.61

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Solution

The fourth proportional to 592.31, 817.85 and 468.61 is: 647.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.31 : 817.85 = 468.61 : x
  2. Step 2: Convert to fraction form
    592.31/817.85 = 468.61/x
  3. Step 3: Cross multiply
    592.31x = 817.85 × 468.61
  4. Step 4: Simplify right side
    592.31x = 383,251.48
  5. Step 5: Solve for x
    x = 383,251.48/592.31
  6. Step 6: Final answer
    x = 647.04

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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.