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Finding the Fourth Proportional to 736.52, 1,016.25 and 559.43

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Solution

The fourth proportional to 736.52, 1,016.25 and 559.43 is: 771.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.52 : 1,016.25 = 559.43 : x
  2. Step 2: Convert to fraction form
    736.52/1,016.25 = 559.43/x
  3. Step 3: Cross multiply
    736.52x = 1,016.25 × 559.43
  4. Step 4: Simplify right side
    736.52x = 568,520.23
  5. Step 5: Solve for x
    x = 568,520.23/736.52
  6. Step 6: Final answer
    x = 771.90

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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.