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Finding the Fourth Proportional to 736.38, 1,104.75 and 249.44

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Solution

The fourth proportional to 736.38, 1,104.75 and 249.44 is: 374.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.38 : 1,104.75 = 249.44 : x
  2. Step 2: Convert to fraction form
    736.38/1,104.75 = 249.44/x
  3. Step 3: Cross multiply
    736.38x = 1,104.75 × 249.44
  4. Step 4: Simplify right side
    736.38x = 275,563.32
  5. Step 5: Solve for x
    x = 275,563.32/736.38
  6. Step 6: Final answer
    x = 374.21

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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.