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Finding the Fourth Proportional to 338,912.52, 467,698.50 and 195,668.88

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Solution

The fourth proportional to 338,912.52, 467,698.50 and 195,668.88 is: 270,022.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,912.52 : 467,698.50 = 195,668.88 : x
  2. Step 2: Convert to fraction form
    338,912.52/467,698.50 = 195,668.88/x
  3. Step 3: Cross multiply
    338,912.52x = 467,698.50 × 195,668.88
  4. Step 4: Simplify right side
    338,912.52x = 91,514,041,672.68
  5. Step 5: Solve for x
    x = 91,514,041,672.68/338,912.52
  6. Step 6: Final answer
    x = 270,022.61

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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.