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Finding the Fourth Proportional to 1,044.16, 1,568.16 and 634.24

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Solution

The fourth proportional to 1,044.16, 1,568.16 and 634.24 is: 952.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.16 : 1,568.16 = 634.24 : x
  2. Step 2: Convert to fraction form
    1,044.16/1,568.16 = 634.24/x
  3. Step 3: Cross multiply
    1,044.16x = 1,568.16 × 634.24
  4. Step 4: Simplify right side
    1,044.16x = 994,589.80
  5. Step 5: Solve for x
    x = 994,589.80/1,044.16
  6. Step 6: Final answer
    x = 952.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.