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Finding the Fourth Proportional to 225,912.65, 338,334.67 and 196,168.84

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Solution

The fourth proportional to 225,912.65, 338,334.67 and 196,168.84 is: 293,789.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,912.65 : 338,334.67 = 196,168.84 : x
  2. Step 2: Convert to fraction form
    225,912.65/338,334.67 = 196,168.84/x
  3. Step 3: Cross multiply
    225,912.65x = 338,334.67 × 196,168.84
  4. Step 4: Simplify right side
    225,912.65x = 66,370,719,145.06
  5. Step 5: Solve for x
    x = 66,370,719,145.06/225,912.65
  6. Step 6: Final answer
    x = 293,789.31

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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.