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Finding the Fourth Proportional to 262,846.20, 394,730.10 and 254,551.80

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Solution

The fourth proportional to 262,846.20, 394,730.10 and 254,551.80 is: 382,273.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,846.20 : 394,730.10 = 254,551.80 : x
  2. Step 2: Convert to fraction form
    262,846.20/394,730.10 = 254,551.80/x
  3. Step 3: Cross multiply
    262,846.20x = 394,730.10 × 254,551.80
  4. Step 4: Simplify right side
    262,846.20x = 100,479,257,469.18
  5. Step 5: Solve for x
    x = 100,479,257,469.18/262,846.20
  6. Step 6: Final answer
    x = 382,273.96

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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.