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Finding the Fourth Proportional to 412,595.92, 618,793.08 and 132,055.12

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Solution

The fourth proportional to 412,595.92, 618,793.08 and 132,055.12 is: 198,050.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,595.92 : 618,793.08 = 132,055.12 : x
  2. Step 2: Convert to fraction form
    412,595.92/618,793.08 = 132,055.12/x
  3. Step 3: Cross multiply
    412,595.92x = 618,793.08 × 132,055.12
  4. Step 4: Simplify right side
    412,595.92x = 81,714,794,434.57
  5. Step 5: Solve for x
    x = 81,714,794,434.57/412,595.92
  6. Step 6: Final answer
    x = 198,050.42

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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.