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Finding the Fourth Proportional to 396.71, 595.02 and 108.17

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Solution

The fourth proportional to 396.71, 595.02 and 108.17 is: 162.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.71 : 595.02 = 108.17 : x
  2. Step 2: Convert to fraction form
    396.71/595.02 = 108.17/x
  3. Step 3: Cross multiply
    396.71x = 595.02 × 108.17
  4. Step 4: Simplify right side
    396.71x = 64,363.31
  5. Step 5: Solve for x
    x = 64,363.31/396.71
  6. Step 6: Final answer
    x = 162.24

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.