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Finding the Fourth Proportional to 618,149.02, 927,356.75 and 191,676.27

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Solution

The fourth proportional to 618,149.02, 927,356.75 and 191,676.27 is: 287,555.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,149.02 : 927,356.75 = 191,676.27 : x
  2. Step 2: Convert to fraction form
    618,149.02/927,356.75 = 191,676.27/x
  3. Step 3: Cross multiply
    618,149.02x = 927,356.75 × 191,676.27
  4. Step 4: Simplify right side
    618,149.02x = 177,752,282,799.32
  5. Step 5: Solve for x
    x = 177,752,282,799.32/618,149.02
  6. Step 6: Final answer
    x = 287,555.71

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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.