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Finding the Fourth Proportional to 247,010.78, 340,743.38 and 150,244.22

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Solution

The fourth proportional to 247,010.78, 340,743.38 and 150,244.22 is: 207,257.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,010.78 : 340,743.38 = 150,244.22 : x
  2. Step 2: Convert to fraction form
    247,010.78/340,743.38 = 150,244.22/x
  3. Step 3: Cross multiply
    247,010.78x = 340,743.38 × 150,244.22
  4. Step 4: Simplify right side
    247,010.78x = 51,194,724,575.73
  5. Step 5: Solve for x
    x = 51,194,724,575.73/247,010.78
  6. Step 6: Final answer
    x = 207,257.05

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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.