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Finding the Fourth Proportional to 736.15, 1,104.28 and 249.24

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Solution

The fourth proportional to 736.15, 1,104.28 and 249.24 is: 373.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.15 : 1,104.28 = 249.24 : x
  2. Step 2: Convert to fraction form
    736.15/1,104.28 = 249.24/x
  3. Step 3: Cross multiply
    736.15x = 1,104.28 × 249.24
  4. Step 4: Simplify right side
    736.15x = 275,229.50
  5. Step 5: Solve for x
    x = 275,229.50/736.15
  6. Step 6: Final answer
    x = 373.88

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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.