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Finding the Fourth Proportional to 295,879.20, 443,930.60 and 177,632.97

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Solution

The fourth proportional to 295,879.20, 443,930.60 and 177,632.97 is: 266,516.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,879.20 : 443,930.60 = 177,632.97 : x
  2. Step 2: Convert to fraction form
    295,879.20/443,930.60 = 177,632.97/x
  3. Step 3: Cross multiply
    295,879.20x = 443,930.60 × 177,632.97
  4. Step 4: Simplify right side
    295,879.20x = 78,856,710,951.88
  5. Step 5: Solve for x
    x = 78,856,710,951.88/295,879.20
  6. Step 6: Final answer
    x = 266,516.57

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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.