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Finding the Fourth Proportional to 394.67, 592.68 and 363.76

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Solution

The fourth proportional to 394.67, 592.68 and 363.76 is: 546.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    394.67 : 592.68 = 363.76 : x
  2. Step 2: Convert to fraction form
    394.67/592.68 = 363.76/x
  3. Step 3: Cross multiply
    394.67x = 592.68 × 363.76
  4. Step 4: Simplify right side
    394.67x = 215,591.80
  5. Step 5: Solve for x
    x = 215,591.80/394.67
  6. Step 6: Final answer
    x = 546.27

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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.