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Finding the Fourth Proportional to 322,224.39, 444,669.44 and 178,997.76

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Solution

The fourth proportional to 322,224.39, 444,669.44 and 178,997.76 is: 247,016.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,224.39 : 444,669.44 = 178,997.76 : x
  2. Step 2: Convert to fraction form
    322,224.39/444,669.44 = 178,997.76/x
  3. Step 3: Cross multiply
    322,224.39x = 444,669.44 × 178,997.76
  4. Step 4: Simplify right side
    322,224.39x = 79,594,832,805.47
  5. Step 5: Solve for x
    x = 79,594,832,805.47/322,224.39
  6. Step 6: Final answer
    x = 247,016.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.