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Finding the Fourth Proportional to 396,309.18, 594,113.85 and 303,230.46

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Solution

The fourth proportional to 396,309.18, 594,113.85 and 303,230.46 is: 454,577.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,309.18 : 594,113.85 = 303,230.46 : x
  2. Step 2: Convert to fraction form
    396,309.18/594,113.85 = 303,230.46/x
  3. Step 3: Cross multiply
    396,309.18x = 594,113.85 × 303,230.46
  4. Step 4: Simplify right side
    396,309.18x = 180,153,416,027.87
  5. Step 5: Solve for x
    x = 180,153,416,027.87/396,309.18
  6. Step 6: Final answer
    x = 454,577.95

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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.