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Finding the Fourth Proportional to 396,023.10, 594,034.65 and 330,704.70

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Solution

The fourth proportional to 396,023.10, 594,034.65 and 330,704.70 is: 496,057.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,023.10 : 594,034.65 = 330,704.70 : x
  2. Step 2: Convert to fraction form
    396,023.10/594,034.65 = 330,704.70/x
  3. Step 3: Cross multiply
    396,023.10x = 594,034.65 × 330,704.70
  4. Step 4: Simplify right side
    396,023.10x = 196,450,050,717.86
  5. Step 5: Solve for x
    x = 196,450,050,717.86/396,023.10
  6. Step 6: Final answer
    x = 496,057.05

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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.