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Finding the Fourth Proportional to 475.64, 713.43 and 167.47

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Solution

The fourth proportional to 475.64, 713.43 and 167.47 is: 251.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.64 : 713.43 = 167.47 : x
  2. Step 2: Convert to fraction form
    475.64/713.43 = 167.47/x
  3. Step 3: Cross multiply
    475.64x = 713.43 × 167.47
  4. Step 4: Simplify right side
    475.64x = 119,478.12
  5. Step 5: Solve for x
    x = 119,478.12/475.64
  6. Step 6: Final answer
    x = 251.19

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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.