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Finding the Fourth Proportional to 2,253.62, 3,380.15 and 610.29

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Solution

The fourth proportional to 2,253.62, 3,380.15 and 610.29 is: 915.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.62 : 3,380.15 = 610.29 : x
  2. Step 2: Convert to fraction form
    2,253.62/3,380.15 = 610.29/x
  3. Step 3: Cross multiply
    2,253.62x = 3,380.15 × 610.29
  4. Step 4: Simplify right side
    2,253.62x = 2,062,873.27
  5. Step 5: Solve for x
    x = 2,062,873.27/2,253.62
  6. Step 6: Final answer
    x = 915.36

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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.