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Finding the Fourth Proportional to 225,466.57, 338,217.63 and 75,706.28

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Solution

The fourth proportional to 225,466.57, 338,217.63 and 75,706.28 is: 113,565.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,466.57 : 338,217.63 = 75,706.28 : x
  2. Step 2: Convert to fraction form
    225,466.57/338,217.63 = 75,706.28/x
  3. Step 3: Cross multiply
    225,466.57x = 338,217.63 × 75,706.28
  4. Step 4: Simplify right side
    225,466.57x = 25,605,197,891.05
  5. Step 5: Solve for x
    x = 25,605,197,891.05/225,466.57
  6. Step 6: Final answer
    x = 113,565.38

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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.