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Finding the Fourth Proportional to 2,229.44, 3,343.88 and 586

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Solution

The fourth proportional to 2,229.44, 3,343.88 and 586 is: 878.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.44 : 3,343.88 = 586 : x
  2. Step 2: Convert to fraction form
    2,229.44/3,343.88 = 586/x
  3. Step 3: Cross multiply
    2,229.44x = 3,343.88 × 586
  4. Step 4: Simplify right side
    2,229.44x = 1,959,513.68
  5. Step 5: Solve for x
    x = 1,959,513.68/2,229.44
  6. Step 6: Final answer
    x = 878.93

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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.