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Finding the Fourth Proportional to 441,991.54, 663,183.99 and 231,580.26

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Solution

The fourth proportional to 441,991.54, 663,183.99 and 231,580.26 is: 347,473.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,991.54 : 663,183.99 = 231,580.26 : x
  2. Step 2: Convert to fraction form
    441,991.54/663,183.99 = 231,580.26/x
  3. Step 3: Cross multiply
    441,991.54x = 663,183.99 × 231,580.26
  4. Step 4: Simplify right side
    441,991.54x = 153,580,320,832.04
  5. Step 5: Solve for x
    x = 153,580,320,832.04/441,991.54
  6. Step 6: Final answer
    x = 347,473.44

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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.