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Finding the Fourth Proportional to 311,951.30, 467,926.95 and 170,233.70

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Solution

The fourth proportional to 311,951.30, 467,926.95 and 170,233.70 is: 255,350.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,951.30 : 467,926.95 = 170,233.70 : x
  2. Step 2: Convert to fraction form
    311,951.30/467,926.95 = 170,233.70/x
  3. Step 3: Cross multiply
    311,951.30x = 467,926.95 × 170,233.70
  4. Step 4: Simplify right side
    311,951.30x = 79,656,936,028.22
  5. Step 5: Solve for x
    x = 79,656,936,028.22/311,951.30
  6. Step 6: Final answer
    x = 255,350.55

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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.