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Finding the Fourth Proportional to 444.38, 613.31 and 269.69

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Solution

The fourth proportional to 444.38, 613.31 and 269.69 is: 372.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.38 : 613.31 = 269.69 : x
  2. Step 2: Convert to fraction form
    444.38/613.31 = 269.69/x
  3. Step 3: Cross multiply
    444.38x = 613.31 × 269.69
  4. Step 4: Simplify right side
    444.38x = 165,399.16
  5. Step 5: Solve for x
    x = 165,399.16/444.38
  6. Step 6: Final answer
    x = 372.21

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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.