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Finding the Fourth Proportional to 475.35, 712.88 and 167.13

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Solution

The fourth proportional to 475.35, 712.88 and 167.13 is: 250.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.35 : 712.88 = 167.13 : x
  2. Step 2: Convert to fraction form
    475.35/712.88 = 167.13/x
  3. Step 3: Cross multiply
    475.35x = 712.88 × 167.13
  4. Step 4: Simplify right side
    475.35x = 119,142.80
  5. Step 5: Solve for x
    x = 119,142.80/475.35
  6. Step 6: Final answer
    x = 250.64

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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.