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Finding the Fourth Proportional to 295,793.76, 408,195.38 and 161,657.76

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Solution

The fourth proportional to 295,793.76, 408,195.38 and 161,657.76 is: 223,087.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,793.76 : 408,195.38 = 161,657.76 : x
  2. Step 2: Convert to fraction form
    295,793.76/408,195.38 = 161,657.76/x
  3. Step 3: Cross multiply
    295,793.76x = 408,195.38 × 161,657.76
  4. Step 4: Simplify right side
    295,793.76x = 65,987,950,773.15
  5. Step 5: Solve for x
    x = 65,987,950,773.15/295,793.76
  6. Step 6: Final answer
    x = 223,087.70

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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.