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Finding the Fourth Proportional to 1,044.26, 1,565.60 and 633.29

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Solution

The fourth proportional to 1,044.26, 1,565.60 and 633.29 is: 949.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.26 : 1,565.60 = 633.29 : x
  2. Step 2: Convert to fraction form
    1,044.26/1,565.60 = 633.29/x
  3. Step 3: Cross multiply
    1,044.26x = 1,565.60 × 633.29
  4. Step 4: Simplify right side
    1,044.26x = 991,475.66
  5. Step 5: Solve for x
    x = 991,475.66/1,044.26
  6. Step 6: Final answer
    x = 949.45

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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.