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Finding the Fourth Proportional to 2,244.16, 3,365.50 and 818.71

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Solution

The fourth proportional to 2,244.16, 3,365.50 and 818.71 is: 1,227.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,244.16 : 3,365.50 = 818.71 : x
  2. Step 2: Convert to fraction form
    2,244.16/3,365.50 = 818.71/x
  3. Step 3: Cross multiply
    2,244.16x = 3,365.50 × 818.71
  4. Step 4: Simplify right side
    2,244.16x = 2,755,359.58
  5. Step 5: Solve for x
    x = 2,755,359.58/2,244.16
  6. Step 6: Final answer
    x = 1,227.79

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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.