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Finding the Fourth Proportional to 618,164.73, 927,380.25 and 191,691.98

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Solution

The fourth proportional to 618,164.73, 927,380.25 and 191,691.98 is: 287,579.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,164.73 : 927,380.25 = 191,691.98 : x
  2. Step 2: Convert to fraction form
    618,164.73/927,380.25 = 191,691.98/x
  3. Step 3: Cross multiply
    618,164.73x = 927,380.25 × 191,691.98
  4. Step 4: Simplify right side
    618,164.73x = 177,771,351,698.49
  5. Step 5: Solve for x
    x = 177,771,351,698.49/618,164.73
  6. Step 6: Final answer
    x = 287,579.25

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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.