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Finding the Fourth Proportional to 392,662.38, 541,896.84 and 295,692.60

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Solution

The fourth proportional to 392,662.38, 541,896.84 and 295,692.60 is: 408,072.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,662.38 : 541,896.84 = 295,692.60 : x
  2. Step 2: Convert to fraction form
    392,662.38/541,896.84 = 295,692.60/x
  3. Step 3: Cross multiply
    392,662.38x = 541,896.84 × 295,692.60
  4. Step 4: Simplify right side
    392,662.38x = 160,234,885,551.38
  5. Step 5: Solve for x
    x = 160,234,885,551.38/392,662.38
  6. Step 6: Final answer
    x = 408,072.92

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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.