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Finding the Fourth Proportional to 542,276.78, 813,418.04 and 163,194.91

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Solution

The fourth proportional to 542,276.78, 813,418.04 and 163,194.91 is: 244,793.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,276.78 : 813,418.04 = 163,194.91 : x
  2. Step 2: Convert to fraction form
    542,276.78/813,418.04 = 163,194.91/x
  3. Step 3: Cross multiply
    542,276.78x = 813,418.04 × 163,194.91
  4. Step 4: Simplify right side
    542,276.78x = 132,745,682,204.62
  5. Step 5: Solve for x
    x = 132,745,682,204.62/542,276.78
  6. Step 6: Final answer
    x = 244,793.23

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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.