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Finding the Fourth Proportional to 618,414.06, 927,753.52 and 191,940.96

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Solution

The fourth proportional to 618,414.06, 927,753.52 and 191,940.96 is: 287,952.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,414.06 : 927,753.52 = 191,940.96 : x
  2. Step 2: Convert to fraction form
    618,414.06/927,753.52 = 191,940.96/x
  3. Step 3: Cross multiply
    618,414.06x = 927,753.52 × 191,940.96
  4. Step 4: Simplify right side
    618,414.06x = 178,073,901,272.18
  5. Step 5: Solve for x
    x = 178,073,901,272.18/618,414.06
  6. Step 6: Final answer
    x = 287,952.54

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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.