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Finding the Fourth Proportional to 422,467.16, 633,755.91 and 222,794.97

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Solution

The fourth proportional to 422,467.16, 633,755.91 and 222,794.97 is: 334,221.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,467.16 : 633,755.91 = 222,794.97 : x
  2. Step 2: Convert to fraction form
    422,467.16/633,755.91 = 222,794.97/x
  3. Step 3: Cross multiply
    422,467.16x = 633,755.91 × 222,794.97
  4. Step 4: Simplify right side
    422,467.16x = 141,197,627,414.67
  5. Step 5: Solve for x
    x = 141,197,627,414.67/422,467.16
  6. Step 6: Final answer
    x = 334,221.55

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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.