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Finding the Fourth Proportional to 618,255.25, 927,401.11 and 527,727.19

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Solution

The fourth proportional to 618,255.25, 927,401.11 and 527,727.19 is: 791,606.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,255.25 : 927,401.11 = 527,727.19 : x
  2. Step 2: Convert to fraction form
    618,255.25/927,401.11 = 527,727.19/x
  3. Step 3: Cross multiply
    618,255.25x = 927,401.11 × 527,727.19
  4. Step 4: Simplify right side
    618,255.25x = 489,414,780,321.38
  5. Step 5: Solve for x
    x = 489,414,780,321.38/618,255.25
  6. Step 6: Final answer
    x = 791,606.34

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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.