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Finding the Fourth Proportional to 736.52, 1,104.92 and 614.48

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Solution

The fourth proportional to 736.52, 1,104.92 and 614.48 is: 921.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.52 : 1,104.92 = 614.48 : x
  2. Step 2: Convert to fraction form
    736.52/1,104.92 = 614.48/x
  3. Step 3: Cross multiply
    736.52x = 1,104.92 × 614.48
  4. Step 4: Simplify right side
    736.52x = 678,951.24
  5. Step 5: Solve for x
    x = 678,951.24/736.52
  6. Step 6: Final answer
    x = 921.84

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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.