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Finding the Fourth Proportional to 396,306.37, 594,109.64 and 303,227.65

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Solution

The fourth proportional to 396,306.37, 594,109.64 and 303,227.65 is: 454,573.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,306.37 : 594,109.64 = 303,227.65 : x
  2. Step 2: Convert to fraction form
    396,306.37/594,109.64 = 303,227.65/x
  3. Step 3: Cross multiply
    396,306.37x = 594,109.64 × 303,227.65
  4. Step 4: Simplify right side
    396,306.37x = 180,150,469,774.60
  5. Step 5: Solve for x
    x = 180,150,469,774.60/396,306.37
  6. Step 6: Final answer
    x = 454,573.74

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1.5x scale

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.