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Finding the Fourth Proportional to 262,882.80, 394,165.80 and 100,704.24

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Solution

The fourth proportional to 262,882.80, 394,165.80 and 100,704.24 is: 150,995.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,882.80 : 394,165.80 = 100,704.24 : x
  2. Step 2: Convert to fraction form
    262,882.80/394,165.80 = 100,704.24/x
  3. Step 3: Cross multiply
    262,882.80x = 394,165.80 × 100,704.24
  4. Step 4: Simplify right side
    262,882.80x = 39,694,167,322.99
  5. Step 5: Solve for x
    x = 39,694,167,322.99/262,882.80
  6. Step 6: Final answer
    x = 150,995.68

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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.