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Finding the Fourth Proportional to 618,268.62, 927,535.98 and 191,795.94

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Solution

The fourth proportional to 618,268.62, 927,535.98 and 191,795.94 is: 287,735.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,268.62 : 927,535.98 = 191,795.94 : x
  2. Step 2: Convert to fraction form
    618,268.62/927,535.98 = 191,795.94/x
  3. Step 3: Cross multiply
    618,268.62x = 927,535.98 × 191,795.94
  4. Step 4: Simplify right side
    618,268.62x = 177,897,635,167.92
  5. Step 5: Solve for x
    x = 177,897,635,167.92/618,268.62
  6. Step 6: Final answer
    x = 287,735.18

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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.