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Finding the Fourth Proportional to 396,732.30, 594,114.30 and 318,000.30

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Solution

The fourth proportional to 396,732.30, 594,114.30 and 318,000.30 is: 476,211.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,732.30 : 594,114.30 = 318,000.30 : x
  2. Step 2: Convert to fraction form
    396,732.30/594,114.30 = 318,000.30/x
  3. Step 3: Cross multiply
    396,732.30x = 594,114.30 × 318,000.30
  4. Step 4: Simplify right side
    396,732.30x = 188,928,525,634.29
  5. Step 5: Solve for x
    x = 188,928,525,634.29/396,732.30
  6. Step 6: Final answer
    x = 476,211.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.