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Finding the Fourth Proportional to 618,302.30, 927,541.49 and 191,874.97

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Solution

The fourth proportional to 618,302.30, 927,541.49 and 191,874.97 is: 287,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,302.30 : 927,541.49 = 191,874.97 : x
  2. Step 2: Convert to fraction form
    618,302.30/927,541.49 = 191,874.97/x
  3. Step 3: Cross multiply
    618,302.30x = 927,541.49 × 191,874.97
  4. Step 4: Simplify right side
    618,302.30x = 177,971,999,163.35
  5. Step 5: Solve for x
    x = 177,971,999,163.35/618,302.30
  6. Step 6: Final answer
    x = 287,839.78

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1.5x scale

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.