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Finding the Fourth Proportional to 475.66, 713.83 and 167.54

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Solution

The fourth proportional to 475.66, 713.83 and 167.54 is: 251.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.66 : 713.83 = 167.54 : x
  2. Step 2: Convert to fraction form
    475.66/713.83 = 167.54/x
  3. Step 3: Cross multiply
    475.66x = 713.83 × 167.54
  4. Step 4: Simplify right side
    475.66x = 119,595.08
  5. Step 5: Solve for x
    x = 119,595.08/475.66
  6. Step 6: Final answer
    x = 251.43

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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.