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Finding the Fourth Proportional to 270,760.68, 405,768.42 and 230,571.72

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Solution

The fourth proportional to 270,760.68, 405,768.42 and 230,571.72 is: 345,540.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,760.68 : 405,768.42 = 230,571.72 : x
  2. Step 2: Convert to fraction form
    270,760.68/405,768.42 = 230,571.72/x
  3. Step 3: Cross multiply
    270,760.68x = 405,768.42 × 230,571.72
  4. Step 4: Simplify right side
    270,760.68x = 93,558,722,521.08
  5. Step 5: Solve for x
    x = 93,558,722,521.08/270,760.68
  6. Step 6: Final answer
    x = 345,540.28

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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.