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Finding the Fourth Proportional to 273,391.12, 409,889.82 and 167,992.30

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Solution

The fourth proportional to 273,391.12, 409,889.82 and 167,992.30 is: 251,867.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,391.12 : 409,889.82 = 167,992.30 : x
  2. Step 2: Convert to fraction form
    273,391.12/409,889.82 = 167,992.30/x
  3. Step 3: Cross multiply
    273,391.12x = 409,889.82 × 167,992.30
  4. Step 4: Simplify right side
    273,391.12x = 68,858,333,608.39
  5. Step 5: Solve for x
    x = 68,858,333,608.39/273,391.12
  6. Step 6: Final answer
    x = 251,867.48

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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.