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Finding the Fourth Proportional to 491,452.20, 737,211.78 and 167,108.22

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Solution

The fourth proportional to 491,452.20, 737,211.78 and 167,108.22 is: 250,673.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,452.20 : 737,211.78 = 167,108.22 : x
  2. Step 2: Convert to fraction form
    491,452.20/737,211.78 = 167,108.22/x
  3. Step 3: Cross multiply
    491,452.20x = 737,211.78 × 167,108.22
  4. Step 4: Simplify right side
    491,452.20x = 123,194,148,318.83
  5. Step 5: Solve for x
    x = 123,194,148,318.83/491,452.20
  6. Step 6: Final answer
    x = 250,673.71

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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.