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Finding the Fourth Proportional to 349.29, 482.61 and 250.86

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Solution

The fourth proportional to 349.29, 482.61 and 250.86 is: 346.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.29 : 482.61 = 250.86 : x
  2. Step 2: Convert to fraction form
    349.29/482.61 = 250.86/x
  3. Step 3: Cross multiply
    349.29x = 482.61 × 250.86
  4. Step 4: Simplify right side
    349.29x = 121,067.54
  5. Step 5: Solve for x
    x = 121,067.54/349.29
  6. Step 6: Final answer
    x = 346.61

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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.