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Finding the Fourth Proportional to 736.97, 1,104.91 and 371.55

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Solution

The fourth proportional to 736.97, 1,104.91 and 371.55 is: 557.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.97 : 1,104.91 = 371.55 : x
  2. Step 2: Convert to fraction form
    736.97/1,104.91 = 371.55/x
  3. Step 3: Cross multiply
    736.97x = 1,104.91 × 371.55
  4. Step 4: Simplify right side
    736.97x = 410,532.53
  5. Step 5: Solve for x
    x = 410,532.53/736.97
  6. Step 6: Final answer
    x = 557.06

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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.