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Finding the Fourth Proportional to 618,079.46, 927,509.22 and 263,092.92

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Solution

The fourth proportional to 618,079.46, 927,509.22 and 263,092.92 is: 394,805.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,079.46 : 927,509.22 = 263,092.92 : x
  2. Step 2: Convert to fraction form
    618,079.46/927,509.22 = 263,092.92/x
  3. Step 3: Cross multiply
    618,079.46x = 927,509.22 × 263,092.92
  4. Step 4: Simplify right side
    618,079.46x = 244,021,109,016.72
  5. Step 5: Solve for x
    x = 244,021,109,016.72/618,079.46
  6. Step 6: Final answer
    x = 394,805.40

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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.