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Finding the Fourth Proportional to 2,462.69, 3,694.44 and 819.06

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Solution

The fourth proportional to 2,462.69, 3,694.44 and 819.06 is: 1,228.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,462.69 : 3,694.44 = 819.06 : x
  2. Step 2: Convert to fraction form
    2,462.69/3,694.44 = 819.06/x
  3. Step 3: Cross multiply
    2,462.69x = 3,694.44 × 819.06
  4. Step 4: Simplify right side
    2,462.69x = 3,025,968.03
  5. Step 5: Solve for x
    x = 3,025,968.03/2,462.69
  6. Step 6: Final answer
    x = 1,228.73

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Similar ratio
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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.