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Finding the Fourth Proportional to 1,044.18, 1,441.02 and 578.44

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Solution

The fourth proportional to 1,044.18, 1,441.02 and 578.44 is: 798.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.18 : 1,441.02 = 578.44 : x
  2. Step 2: Convert to fraction form
    1,044.18/1,441.02 = 578.44/x
  3. Step 3: Cross multiply
    1,044.18x = 1,441.02 × 578.44
  4. Step 4: Simplify right side
    1,044.18x = 833,543.61
  5. Step 5: Solve for x
    x = 833,543.61/1,044.18
  6. Step 6: Final answer
    x = 798.28

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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.