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Finding the Fourth Proportional to 658.35, 908.51 and 363.64

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Solution

The fourth proportional to 658.35, 908.51 and 363.64 is: 501.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    658.35 : 908.51 = 363.64 : x
  2. Step 2: Convert to fraction form
    658.35/908.51 = 363.64/x
  3. Step 3: Cross multiply
    658.35x = 908.51 × 363.64
  4. Step 4: Simplify right side
    658.35x = 330,370.58
  5. Step 5: Solve for x
    x = 330,370.58/658.35
  6. Step 6: Final answer
    x = 501.82

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