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Finding the Fourth Proportional to 311,849.46, 467,770.08 and 75,190.26

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Solution

The fourth proportional to 311,849.46, 467,770.08 and 75,190.26 is: 112,784.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,849.46 : 467,770.08 = 75,190.26 : x
  2. Step 2: Convert to fraction form
    311,849.46/467,770.08 = 75,190.26/x
  3. Step 3: Cross multiply
    311,849.46x = 467,770.08 × 75,190.26
  4. Step 4: Simplify right side
    311,849.46x = 35,171,753,935.42
  5. Step 5: Solve for x
    x = 35,171,753,935.42/311,849.46
  6. Step 6: Final answer
    x = 112,784.40

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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.