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Finding the Fourth Proportional to 475.18, 712.82 and 167.14

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Solution

The fourth proportional to 475.18, 712.82 and 167.14 is: 250.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.18 : 712.82 = 167.14 : x
  2. Step 2: Convert to fraction form
    475.18/712.82 = 167.14/x
  3. Step 3: Cross multiply
    475.18x = 712.82 × 167.14
  4. Step 4: Simplify right side
    475.18x = 119,140.73
  5. Step 5: Solve for x
    x = 119,140.73/475.18
  6. Step 6: Final answer
    x = 250.73

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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.