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Finding the Fourth Proportional to 332,906.60, 499,485.60 and 199,879.60

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Solution

The fourth proportional to 332,906.60, 499,485.60 and 199,879.60 is: 299,894.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,906.60 : 499,485.60 = 199,879.60 : x
  2. Step 2: Convert to fraction form
    332,906.60/499,485.60 = 199,879.60/x
  3. Step 3: Cross multiply
    332,906.60x = 499,485.60 × 199,879.60
  4. Step 4: Simplify right side
    332,906.60x = 99,836,981,933.76
  5. Step 5: Solve for x
    x = 99,836,981,933.76/332,906.60
  6. Step 6: Final answer
    x = 299,894.87

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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.