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Finding the Fourth Proportional to 396,508.38, 593,518.41 and 208,951.26

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Solution

The fourth proportional to 396,508.38, 593,518.41 and 208,951.26 is: 312,771.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,508.38 : 593,518.41 = 208,951.26 : x
  2. Step 2: Convert to fraction form
    396,508.38/593,518.41 = 208,951.26/x
  3. Step 3: Cross multiply
    396,508.38x = 593,518.41 × 208,951.26
  4. Step 4: Simplify right side
    396,508.38x = 124,016,419,602.70
  5. Step 5: Solve for x
    x = 124,016,419,602.70/396,508.38
  6. Step 6: Final answer
    x = 312,771.24

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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.