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Finding the Fourth Proportional to 297,732.60, 445,562.10 and 204,420.60

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Solution

The fourth proportional to 297,732.60, 445,562.10 and 204,420.60 is: 305,919.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,732.60 : 445,562.10 = 204,420.60 : x
  2. Step 2: Convert to fraction form
    297,732.60/445,562.10 = 204,420.60/x
  3. Step 3: Cross multiply
    297,732.60x = 445,562.10 × 204,420.60
  4. Step 4: Simplify right side
    297,732.60x = 91,082,071,819.26
  5. Step 5: Solve for x
    x = 91,082,071,819.26/297,732.60
  6. Step 6: Final answer
    x = 305,919.04

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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.