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Finding the Fourth Proportional to 349.62, 481.41 and 251.19

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Solution

The fourth proportional to 349.62, 481.41 and 251.19 is: 345.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.62 : 481.41 = 251.19 : x
  2. Step 2: Convert to fraction form
    349.62/481.41 = 251.19/x
  3. Step 3: Cross multiply
    349.62x = 481.41 × 251.19
  4. Step 4: Simplify right side
    349.62x = 120,925.38
  5. Step 5: Solve for x
    x = 120,925.38/349.62
  6. Step 6: Final answer
    x = 345.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.