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Finding the Fourth Proportional to 249.65, 374.46 and 234.62

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Solution

The fourth proportional to 249.65, 374.46 and 234.62 is: 351.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.65 : 374.46 = 234.62 : x
  2. Step 2: Convert to fraction form
    249.65/374.46 = 234.62/x
  3. Step 3: Cross multiply
    249.65x = 374.46 × 234.62
  4. Step 4: Simplify right side
    249.65x = 87,853.93
  5. Step 5: Solve for x
    x = 87,853.93/249.65
  6. Step 6: Final answer
    x = 351.92

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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.