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Finding the Fourth Proportional to 969.24, 1,337.10 and 576.26

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Solution

The fourth proportional to 969.24, 1,337.10 and 576.26 is: 794.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    969.24 : 1,337.10 = 576.26 : x
  2. Step 2: Convert to fraction form
    969.24/1,337.10 = 576.26/x
  3. Step 3: Cross multiply
    969.24x = 1,337.10 × 576.26
  4. Step 4: Simplify right side
    969.24x = 770,517.25
  5. Step 5: Solve for x
    x = 770,517.25/969.24
  6. Step 6: Final answer
    x = 794.97

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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.