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Finding the Fourth Proportional to 262,912.20, 394,022.70 and 233,190.60

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Solution

The fourth proportional to 262,912.20, 394,022.70 and 233,190.60 is: 349,479.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,912.20 : 394,022.70 = 233,190.60 : x
  2. Step 2: Convert to fraction form
    262,912.20/394,022.70 = 233,190.60/x
  3. Step 3: Cross multiply
    262,912.20x = 394,022.70 × 233,190.60
  4. Step 4: Simplify right side
    262,912.20x = 91,882,389,826.62
  5. Step 5: Solve for x
    x = 91,882,389,826.62/262,912.20
  6. Step 6: Final answer
    x = 349,479.37

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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.