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Finding the Fourth Proportional to 748.26, 1,029.17 and 600.57

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Solution

The fourth proportional to 748.26, 1,029.17 and 600.57 is: 826.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    748.26 : 1,029.17 = 600.57 : x
  2. Step 2: Convert to fraction form
    748.26/1,029.17 = 600.57/x
  3. Step 3: Cross multiply
    748.26x = 1,029.17 × 600.57
  4. Step 4: Simplify right side
    748.26x = 618,090.13
  5. Step 5: Solve for x
    x = 618,090.13/748.26
  6. Step 6: Final answer
    x = 826.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.