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Finding the Fourth Proportional to 273,839.15, 410,391.56 and 213,122.73

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Solution

The fourth proportional to 273,839.15, 410,391.56 and 213,122.73 is: 319,398.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,839.15 : 410,391.56 = 213,122.73 : x
  2. Step 2: Convert to fraction form
    273,839.15/410,391.56 = 213,122.73/x
  3. Step 3: Cross multiply
    273,839.15x = 410,391.56 × 213,122.73
  4. Step 4: Simplify right side
    273,839.15x = 87,463,770,908.72
  5. Step 5: Solve for x
    x = 87,463,770,908.72/273,839.15
  6. Step 6: Final answer
    x = 319,398.34

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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.