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Finding the Fourth Proportional to 2,251.97, 3,377.90 and 608.68

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Solution

The fourth proportional to 2,251.97, 3,377.90 and 608.68 is: 913.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.97 : 3,377.90 = 608.68 : x
  2. Step 2: Convert to fraction form
    2,251.97/3,377.90 = 608.68/x
  3. Step 3: Cross multiply
    2,251.97x = 3,377.90 × 608.68
  4. Step 4: Simplify right side
    2,251.97x = 2,056,065.92
  5. Step 5: Solve for x
    x = 2,056,065.92/2,251.97
  6. Step 6: Final answer
    x = 913.01

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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.