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Finding the Fourth Proportional to 311,194.40, 466,791.60 and 306,528.80

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Solution

The fourth proportional to 311,194.40, 466,791.60 and 306,528.80 is: 459,793.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,194.40 : 466,791.60 = 306,528.80 : x
  2. Step 2: Convert to fraction form
    311,194.40/466,791.60 = 306,528.80/x
  3. Step 3: Cross multiply
    311,194.40x = 466,791.60 × 306,528.80
  4. Step 4: Simplify right side
    311,194.40x = 143,085,068,998.08
  5. Step 5: Solve for x
    x = 143,085,068,998.08/311,194.40
  6. Step 6: Final answer
    x = 459,793.20

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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.