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Finding the Fourth Proportional to 944.33, 1,414.96 and 481.47

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Solution

The fourth proportional to 944.33, 1,414.96 and 481.47 is: 721.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.33 : 1,414.96 = 481.47 : x
  2. Step 2: Convert to fraction form
    944.33/1,414.96 = 481.47/x
  3. Step 3: Cross multiply
    944.33x = 1,414.96 × 481.47
  4. Step 4: Simplify right side
    944.33x = 681,260.79
  5. Step 5: Solve for x
    x = 681,260.79/944.33
  6. Step 6: Final answer
    x = 721.42

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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.