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Finding the Fourth Proportional to 1,044.74, 1,441.74 and 572.66

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Solution

The fourth proportional to 1,044.74, 1,441.74 and 572.66 is: 790.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.74 : 1,441.74 = 572.66 : x
  2. Step 2: Convert to fraction form
    1,044.74/1,441.74 = 572.66/x
  3. Step 3: Cross multiply
    1,044.74x = 1,441.74 × 572.66
  4. Step 4: Simplify right side
    1,044.74x = 825,626.83
  5. Step 5: Solve for x
    x = 825,626.83/1,044.74
  6. Step 6: Final answer
    x = 790.27

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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.