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Finding the Fourth Proportional to 475.58, 713.51 and 167.42

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Solution

The fourth proportional to 475.58, 713.51 and 167.42 is: 251.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.58 : 713.51 = 167.42 : x
  2. Step 2: Convert to fraction form
    475.58/713.51 = 167.42/x
  3. Step 3: Cross multiply
    475.58x = 713.51 × 167.42
  4. Step 4: Simplify right side
    475.58x = 119,455.84
  5. Step 5: Solve for x
    x = 119,455.84/475.58
  6. Step 6: Final answer
    x = 251.18

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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.