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Finding the Fourth Proportional to 2,299.14, 3,448.85 and 717.65

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Solution

The fourth proportional to 2,299.14, 3,448.85 and 717.65 is: 1,076.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.14 : 3,448.85 = 717.65 : x
  2. Step 2: Convert to fraction form
    2,299.14/3,448.85 = 717.65/x
  3. Step 3: Cross multiply
    2,299.14x = 3,448.85 × 717.65
  4. Step 4: Simplify right side
    2,299.14x = 2,475,046.37
  5. Step 5: Solve for x
    x = 2,475,046.37/2,299.14
  6. Step 6: Final answer
    x = 1,076.51

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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.