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Finding the Fourth Proportional to 592.85, 818.17 and 330.85

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Solution

The fourth proportional to 592.85, 818.17 and 330.85 is: 456.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.85 : 818.17 = 330.85 : x
  2. Step 2: Convert to fraction form
    592.85/818.17 = 330.85/x
  3. Step 3: Cross multiply
    592.85x = 818.17 × 330.85
  4. Step 4: Simplify right side
    592.85x = 270,691.74
  5. Step 5: Solve for x
    x = 270,691.74/592.85
  6. Step 6: Final answer
    x = 456.59

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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.