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Finding the Fourth Proportional to 264,977.92, 396,548.34 and 253,955.44

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Solution

The fourth proportional to 264,977.92, 396,548.34 and 253,955.44 is: 380,052.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,977.92 : 396,548.34 = 253,955.44 : x
  2. Step 2: Convert to fraction form
    264,977.92/396,548.34 = 253,955.44/x
  3. Step 3: Cross multiply
    264,977.92x = 396,548.34 × 253,955.44
  4. Step 4: Simplify right side
    264,977.92x = 100,705,608,165.97
  5. Step 5: Solve for x
    x = 100,705,608,165.97/264,977.92
  6. Step 6: Final answer
    x = 380,052.83

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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.