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Finding the Fourth Proportional to 325,644.39, 449,608.57 and 203,323.03

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Solution

The fourth proportional to 325,644.39, 449,608.57 and 203,323.03 is: 280,722.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,644.39 : 449,608.57 = 203,323.03 : x
  2. Step 2: Convert to fraction form
    325,644.39/449,608.57 = 203,323.03/x
  3. Step 3: Cross multiply
    325,644.39x = 449,608.57 × 203,323.03
  4. Step 4: Simplify right side
    325,644.39x = 91,415,775,134.04
  5. Step 5: Solve for x
    x = 91,415,775,134.04/325,644.39
  6. Step 6: Final answer
    x = 280,722.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.