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Finding the Fourth Proportional to 225,620.44, 338,324.46 and 130,877.56

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Solution

The fourth proportional to 225,620.44, 338,324.46 and 130,877.56 is: 196,254.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,620.44 : 338,324.46 = 130,877.56 : x
  2. Step 2: Convert to fraction form
    225,620.44/338,324.46 = 130,877.56/x
  3. Step 3: Cross multiply
    225,620.44x = 338,324.46 × 130,877.56
  4. Step 4: Simplify right side
    225,620.44x = 44,279,079,813.12
  5. Step 5: Solve for x
    x = 44,279,079,813.12/225,620.44
  6. Step 6: Final answer
    x = 196,254.74

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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.