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Finding the Fourth Proportional to 396,573.01, 594,834.91 and 126,694.47

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Solution

The fourth proportional to 396,573.01, 594,834.91 and 126,694.47 is: 190,033.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,573.01 : 594,834.91 = 126,694.47 : x
  2. Step 2: Convert to fraction form
    396,573.01/594,834.91 = 126,694.47/x
  3. Step 3: Cross multiply
    396,573.01x = 594,834.91 × 126,694.47
  4. Step 4: Simplify right side
    396,573.01x = 75,362,293,659.95
  5. Step 5: Solve for x
    x = 75,362,293,659.95/396,573.01
  6. Step 6: Final answer
    x = 190,033.84

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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.