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Finding the Fourth Proportional to 349.56, 524.46 and 166.92

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Solution

The fourth proportional to 349.56, 524.46 and 166.92 is: 250.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.56 : 524.46 = 166.92 : x
  2. Step 2: Convert to fraction form
    349.56/524.46 = 166.92/x
  3. Step 3: Cross multiply
    349.56x = 524.46 × 166.92
  4. Step 4: Simplify right side
    349.56x = 87,542.86
  5. Step 5: Solve for x
    x = 87,542.86/349.56
  6. Step 6: Final answer
    x = 250.44

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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.