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Finding the Fourth Proportional to 492.32, 738.50 and 167.92

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Solution

The fourth proportional to 492.32, 738.50 and 167.92 is: 251.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    492.32 : 738.50 = 167.92 : x
  2. Step 2: Convert to fraction form
    492.32/738.50 = 167.92/x
  3. Step 3: Cross multiply
    492.32x = 738.50 × 167.92
  4. Step 4: Simplify right side
    492.32x = 124,006.23
  5. Step 5: Solve for x
    x = 124,006.23/492.32
  6. Step 6: Final answer
    x = 251.88

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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.