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Finding the Fourth Proportional to 396,572.01, 594,833.41 and 126,693.47

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Solution

The fourth proportional to 396,572.01, 594,833.41 and 126,693.47 is: 190,032.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,572.01 : 594,833.41 = 126,693.47 : x
  2. Step 2: Convert to fraction form
    396,572.01/594,833.41 = 126,693.47/x
  3. Step 3: Cross multiply
    396,572.01x = 594,833.41 × 126,693.47
  4. Step 4: Simplify right side
    396,572.01x = 75,361,509,717.63
  5. Step 5: Solve for x
    x = 75,361,509,717.63/396,572.01
  6. Step 6: Final answer
    x = 190,032.35

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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.