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Finding the Fourth Proportional to 349.82, 524.96 and 167.42

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Solution

The fourth proportional to 349.82, 524.96 and 167.42 is: 251.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.82 : 524.96 = 167.42 : x
  2. Step 2: Convert to fraction form
    349.82/524.96 = 167.42/x
  3. Step 3: Cross multiply
    349.82x = 524.96 × 167.42
  4. Step 4: Simplify right side
    349.82x = 87,888.80
  5. Step 5: Solve for x
    x = 87,888.80/349.82
  6. Step 6: Final answer
    x = 251.24

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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.