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Finding the Fourth Proportional to 349.67, 523.81 and 167.24

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Solution

The fourth proportional to 349.67, 523.81 and 167.24 is: 250.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.67 : 523.81 = 167.24 : x
  2. Step 2: Convert to fraction form
    349.67/523.81 = 167.24/x
  3. Step 3: Cross multiply
    349.67x = 523.81 × 167.24
  4. Step 4: Simplify right side
    349.67x = 87,601.98
  5. Step 5: Solve for x
    x = 87,601.98/349.67
  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.