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Finding the Fourth Proportional to 396,379.89, 594,736.43 and 246,745.35

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Solution

The fourth proportional to 396,379.89, 594,736.43 and 246,745.35 is: 370,221.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,379.89 : 594,736.43 = 246,745.35 : x
  2. Step 2: Convert to fraction form
    396,379.89/594,736.43 = 246,745.35/x
  3. Step 3: Cross multiply
    396,379.89x = 594,736.43 × 246,745.35
  4. Step 4: Simplify right side
    396,379.89x = 146,748,447,344.37
  5. Step 5: Solve for x
    x = 146,748,447,344.37/396,379.89
  6. Step 6: Final answer
    x = 370,221.73

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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.