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Finding the Fourth Proportional to 2,229.14, 3,343.46 and 585.46

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Solution

The fourth proportional to 2,229.14, 3,343.46 and 585.46 is: 878.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.14 : 3,343.46 = 585.46 : x
  2. Step 2: Convert to fraction form
    2,229.14/3,343.46 = 585.46/x
  3. Step 3: Cross multiply
    2,229.14x = 3,343.46 × 585.46
  4. Step 4: Simplify right side
    2,229.14x = 1,957,462.09
  5. Step 5: Solve for x
    x = 1,957,462.09/2,229.14
  6. Step 6: Final answer
    x = 878.12

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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.