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Finding the Fourth Proportional to 618,304.80, 927,545.24 and 191,877.48

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Solution

The fourth proportional to 618,304.80, 927,545.24 and 191,877.48 is: 287,843.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,304.80 : 927,545.24 = 191,877.48 : x
  2. Step 2: Convert to fraction form
    618,304.80/927,545.24 = 191,877.48/x
  3. Step 3: Cross multiply
    618,304.80x = 927,545.24 × 191,877.48
  4. Step 4: Simplify right side
    618,304.80x = 177,975,043,237.20
  5. Step 5: Solve for x
    x = 177,975,043,237.20/618,304.80
  6. Step 6: Final answer
    x = 287,843.54

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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.