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Finding the Fourth Proportional to 605,593.20, 908,171.10 and 305,974.20

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Solution

The fourth proportional to 605,593.20, 908,171.10 and 305,974.20 is: 458,850.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,593.20 : 908,171.10 = 305,974.20 : x
  2. Step 2: Convert to fraction form
    605,593.20/908,171.10 = 305,974.20/x
  3. Step 3: Cross multiply
    605,593.20x = 908,171.10 × 305,974.20
  4. Step 4: Simplify right side
    605,593.20x = 277,876,925,785.62
  5. Step 5: Solve for x
    x = 277,876,925,785.62/605,593.20
  6. Step 6: Final answer
    x = 458,850.80

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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.