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Finding the Fourth Proportional to 262,844.80, 394,850.40 and 255,846.40

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Solution

The fourth proportional to 262,844.80, 394,850.40 and 255,846.40 is: 384,337.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,844.80 : 394,850.40 = 255,846.40 : x
  2. Step 2: Convert to fraction form
    262,844.80/394,850.40 = 255,846.40/x
  3. Step 3: Cross multiply
    262,844.80x = 394,850.40 × 255,846.40
  4. Step 4: Simplify right side
    262,844.80x = 101,021,053,378.56
  5. Step 5: Solve for x
    x = 101,021,053,378.56/262,844.80
  6. Step 6: Final answer
    x = 384,337.27

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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.