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Finding the Fourth Proportional to 311,195.60, 466,793.40 and 100,854.80

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Solution

The fourth proportional to 311,195.60, 466,793.40 and 100,854.80 is: 151,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,195.60 : 466,793.40 = 100,854.80 : x
  2. Step 2: Convert to fraction form
    311,195.60/466,793.40 = 100,854.80/x
  3. Step 3: Cross multiply
    311,195.60x = 466,793.40 × 100,854.80
  4. Step 4: Simplify right side
    311,195.60x = 47,078,354,998.32
  5. Step 5: Solve for x
    x = 47,078,354,998.32/311,195.60
  6. Step 6: Final answer
    x = 151,282.20

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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.