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Finding the Fourth Proportional to 396,181.33, 594,208.37 and 126,274.34

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Solution

The fourth proportional to 396,181.33, 594,208.37 and 126,274.34 is: 189,391.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,181.33 : 594,208.37 = 126,274.34 : x
  2. Step 2: Convert to fraction form
    396,181.33/594,208.37 = 126,274.34/x
  3. Step 3: Cross multiply
    396,181.33x = 594,208.37 × 126,274.34
  4. Step 4: Simplify right side
    396,181.33x = 75,033,271,545.43
  5. Step 5: Solve for x
    x = 75,033,271,545.43/396,181.33
  6. Step 6: Final answer
    x = 189,391.24

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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.