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Finding the Fourth Proportional to 974.06, 1,344.13 and 600.92

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Solution

The fourth proportional to 974.06, 1,344.13 and 600.92 is: 829.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    974.06 : 1,344.13 = 600.92 : x
  2. Step 2: Convert to fraction form
    974.06/1,344.13 = 600.92/x
  3. Step 3: Cross multiply
    974.06x = 1,344.13 × 600.92
  4. Step 4: Simplify right side
    974.06x = 807,711.42
  5. Step 5: Solve for x
    x = 807,711.42/974.06
  6. Step 6: Final answer
    x = 829.22

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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.