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Finding the Fourth Proportional to 736.73, 1,105.24 and 249.92

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Solution

The fourth proportional to 736.73, 1,105.24 and 249.92 is: 374.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.73 : 1,105.24 = 249.92 : x
  2. Step 2: Convert to fraction form
    736.73/1,105.24 = 249.92/x
  3. Step 3: Cross multiply
    736.73x = 1,105.24 × 249.92
  4. Step 4: Simplify right side
    736.73x = 276,221.58
  5. Step 5: Solve for x
    x = 276,221.58/736.73
  6. Step 6: Final answer
    x = 374.93

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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.