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Finding the Fourth Proportional to 599,781.56, 827,720.79 and 327,867.89

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Solution

The fourth proportional to 599,781.56, 827,720.79 and 327,867.89 is: 452,469.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,781.56 : 827,720.79 = 327,867.89 : x
  2. Step 2: Convert to fraction form
    599,781.56/827,720.79 = 327,867.89/x
  3. Step 3: Cross multiply
    599,781.56x = 827,720.79 × 327,867.89
  4. Step 4: Simplify right side
    599,781.56x = 271,383,068,926.43
  5. Step 5: Solve for x
    x = 271,383,068,926.43/599,781.56
  6. Step 6: Final answer
    x = 452,469.84

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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.