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Finding the Fourth Proportional to 974.27, 1,344.52 and 532.19

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Solution

The fourth proportional to 974.27, 1,344.52 and 532.19 is: 734.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    974.27 : 1,344.52 = 532.19 : x
  2. Step 2: Convert to fraction form
    974.27/1,344.52 = 532.19/x
  3. Step 3: Cross multiply
    974.27x = 1,344.52 × 532.19
  4. Step 4: Simplify right side
    974.27x = 715,532.05
  5. Step 5: Solve for x
    x = 715,532.05/974.27
  6. Step 6: Final answer
    x = 734.43

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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.