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Finding the Fourth Proportional to 349.46, 482.04 and 251.24

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Solution

The fourth proportional to 349.46, 482.04 and 251.24 is: 346.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.46 : 482.04 = 251.24 : x
  2. Step 2: Convert to fraction form
    349.46/482.04 = 251.24/x
  3. Step 3: Cross multiply
    349.46x = 482.04 × 251.24
  4. Step 4: Simplify right side
    349.46x = 121,107.73
  5. Step 5: Solve for x
    x = 121,107.73/349.46
  6. Step 6: Final answer
    x = 346.56

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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.