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Finding the Fourth Proportional to 270,608.79, 373,414.73 and 161,691.42

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Solution

The fourth proportional to 270,608.79, 373,414.73 and 161,691.42 is: 223,118.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,608.79 : 373,414.73 = 161,691.42 : x
  2. Step 2: Convert to fraction form
    270,608.79/373,414.73 = 161,691.42/x
  3. Step 3: Cross multiply
    270,608.79x = 373,414.73 × 161,691.42
  4. Step 4: Simplify right side
    270,608.79x = 60,377,957,942.62
  5. Step 5: Solve for x
    x = 60,377,957,942.62/270,608.79
  6. Step 6: Final answer
    x = 223,118.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.