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Finding the Fourth Proportional to 329.60, 493.52 and 167.32

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Solution

The fourth proportional to 329.60, 493.52 and 167.32 is: 250.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.60 : 493.52 = 167.32 : x
  2. Step 2: Convert to fraction form
    329.60/493.52 = 167.32/x
  3. Step 3: Cross multiply
    329.60x = 493.52 × 167.32
  4. Step 4: Simplify right side
    329.60x = 82,575.77
  5. Step 5: Solve for x
    x = 82,575.77/329.60
  6. Step 6: Final answer
    x = 250.53

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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.