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Finding the Fourth Proportional to 396,311.22, 594,487.60 and 301,689.81

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Solution

The fourth proportional to 396,311.22, 594,487.60 and 301,689.81 is: 452,550.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,311.22 : 594,487.60 = 301,689.81 : x
  2. Step 2: Convert to fraction form
    396,311.22/594,487.60 = 301,689.81/x
  3. Step 3: Cross multiply
    396,311.22x = 594,487.60 × 301,689.81
  4. Step 4: Simplify right side
    396,311.22x = 179,350,850,337.13
  5. Step 5: Solve for x
    x = 179,350,850,337.13/396,311.22
  6. Step 6: Final answer
    x = 452,550.52

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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.