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Finding the Fourth Proportional to 2,251.77, 3,377.67 and 608.19

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Solution

The fourth proportional to 2,251.77, 3,377.67 and 608.19 is: 912.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.77 : 3,377.67 = 608.19 : x
  2. Step 2: Convert to fraction form
    2,251.77/3,377.67 = 608.19/x
  3. Step 3: Cross multiply
    2,251.77x = 3,377.67 × 608.19
  4. Step 4: Simplify right side
    2,251.77x = 2,054,265.12
  5. Step 5: Solve for x
    x = 2,054,265.12/2,251.77
  6. Step 6: Final answer
    x = 912.29

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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.