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Finding the Fourth Proportional to 1,744.91, 2,617.65 and 574.58

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Solution

The fourth proportional to 1,744.91, 2,617.65 and 574.58 is: 861.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,744.91 : 2,617.65 = 574.58 : x
  2. Step 2: Convert to fraction form
    1,744.91/2,617.65 = 574.58/x
  3. Step 3: Cross multiply
    1,744.91x = 2,617.65 × 574.58
  4. Step 4: Simplify right side
    1,744.91x = 1,504,036.25
  5. Step 5: Solve for x
    x = 1,504,036.25/1,744.91
  6. Step 6: Final answer
    x = 861.96

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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.