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Finding the Fourth Proportional to 1,044.62, 1,441.17 and 671.55

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Solution

The fourth proportional to 1,044.62, 1,441.17 and 671.55 is: 926.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.62 : 1,441.17 = 671.55 : x
  2. Step 2: Convert to fraction form
    1,044.62/1,441.17 = 671.55/x
  3. Step 3: Cross multiply
    1,044.62x = 1,441.17 × 671.55
  4. Step 4: Simplify right side
    1,044.62x = 967,817.71
  5. Step 5: Solve for x
    x = 967,817.71/1,044.62
  6. Step 6: Final answer
    x = 926.48

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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.