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Finding the Fourth Proportional to 347,997.39, 480,270.11 and 195,061.56

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Solution

The fourth proportional to 347,997.39, 480,270.11 and 195,061.56 is: 269,203.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,997.39 : 480,270.11 = 195,061.56 : x
  2. Step 2: Convert to fraction form
    347,997.39/480,270.11 = 195,061.56/x
  3. Step 3: Cross multiply
    347,997.39x = 480,270.11 × 195,061.56
  4. Step 4: Simplify right side
    347,997.39x = 93,682,235,902.66
  5. Step 5: Solve for x
    x = 93,682,235,902.66/347,997.39
  6. Step 6: Final answer
    x = 269,203.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.