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Finding the Fourth Proportional to 1,744.35, 2,616.90 and 574.71

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Solution

The fourth proportional to 1,744.35, 2,616.90 and 574.71 is: 862.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,744.35 : 2,616.90 = 574.71 : x
  2. Step 2: Convert to fraction form
    1,744.35/2,616.90 = 574.71/x
  3. Step 3: Cross multiply
    1,744.35x = 2,616.90 × 574.71
  4. Step 4: Simplify right side
    1,744.35x = 1,503,945.51
  5. Step 5: Solve for x
    x = 1,503,945.51/1,744.35
  6. Step 6: Final answer
    x = 862.18

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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.