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Finding the Fourth Proportional to 276,634.60, 414,951.90 and 274,010.20

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Solution

The fourth proportional to 276,634.60, 414,951.90 and 274,010.20 is: 411,015.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,634.60 : 414,951.90 = 274,010.20 : x
  2. Step 2: Convert to fraction form
    276,634.60/414,951.90 = 274,010.20/x
  3. Step 3: Cross multiply
    276,634.60x = 414,951.90 × 274,010.20
  4. Step 4: Simplify right side
    276,634.60x = 113,701,053,109.38
  5. Step 5: Solve for x
    x = 113,701,053,109.38/276,634.60
  6. Step 6: Final answer
    x = 411,015.30

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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.