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Finding the Fourth Proportional to 618,304.30, 927,544.49 and 191,876.97

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Solution

The fourth proportional to 618,304.30, 927,544.49 and 191,876.97 is: 287,842.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,304.30 : 927,544.49 = 191,876.97 : x
  2. Step 2: Convert to fraction form
    618,304.30/927,544.49 = 191,876.97/x
  3. Step 3: Cross multiply
    618,304.30x = 927,544.49 × 191,876.97
  4. Step 4: Simplify right side
    618,304.30x = 177,974,426,281.40
  5. Step 5: Solve for x
    x = 177,974,426,281.40/618,304.30
  6. Step 6: Final answer
    x = 287,842.78

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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.