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Finding the Fourth Proportional to 1,744.73, 2,617.34 and 511.97

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Solution

The fourth proportional to 1,744.73, 2,617.34 and 511.97 is: 768.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,744.73 : 2,617.34 = 511.97 : x
  2. Step 2: Convert to fraction form
    1,744.73/2,617.34 = 511.97/x
  3. Step 3: Cross multiply
    1,744.73x = 2,617.34 × 511.97
  4. Step 4: Simplify right side
    1,744.73x = 1,339,993.02
  5. Step 5: Solve for x
    x = 1,339,993.02/1,744.73
  6. Step 6: Final answer
    x = 768.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.