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Finding the Fourth Proportional to 2,294.65, 3,440.43 and 833.61

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Solution

The fourth proportional to 2,294.65, 3,440.43 and 833.61 is: 1,249.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,294.65 : 3,440.43 = 833.61 : x
  2. Step 2: Convert to fraction form
    2,294.65/3,440.43 = 833.61/x
  3. Step 3: Cross multiply
    2,294.65x = 3,440.43 × 833.61
  4. Step 4: Simplify right side
    2,294.65x = 2,867,976.85
  5. Step 5: Solve for x
    x = 2,867,976.85/2,294.65
  6. Step 6: Final answer
    x = 1,249.85

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1.5x scale

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.