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Finding the Fourth Proportional to 327,957.58, 491,936.46 and 253,186.87

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Solution

The fourth proportional to 327,957.58, 491,936.46 and 253,186.87 is: 379,780.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,957.58 : 491,936.46 = 253,186.87 : x
  2. Step 2: Convert to fraction form
    327,957.58/491,936.46 = 253,186.87/x
  3. Step 3: Cross multiply
    327,957.58x = 491,936.46 × 253,186.87
  4. Step 4: Simplify right side
    327,957.58x = 124,551,852,546.28
  5. Step 5: Solve for x
    x = 124,551,852,546.28/327,957.58
  6. Step 6: Final answer
    x = 379,780.37

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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.