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Finding the Fourth Proportional to 252, 350.15 and 249.62

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Solution

The fourth proportional to 252, 350.15 and 249.62 is: 346.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    252 : 350.15 = 249.62 : x
  2. Step 2: Convert to fraction form
    252/350.15 = 249.62/x
  3. Step 3: Cross multiply
    252x = 350.15 × 249.62
  4. Step 4: Simplify right side
    252x = 87,401.44
  5. Step 5: Solve for x
    x = 87,401.44/252
  6. Step 6: Final answer
    x = 346.83

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.