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Finding the Fourth Proportional to 326,832.78, 490,020.48 and 166,958.22

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Solution

The fourth proportional to 326,832.78, 490,020.48 and 166,958.22 is: 250,320.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,832.78 : 490,020.48 = 166,958.22 : x
  2. Step 2: Convert to fraction form
    326,832.78/490,020.48 = 166,958.22/x
  3. Step 3: Cross multiply
    326,832.78x = 490,020.48 × 166,958.22
  4. Step 4: Simplify right side
    326,832.78x = 81,812,947,104.35
  5. Step 5: Solve for x
    x = 81,812,947,104.35/326,832.78
  6. Step 6: Final answer
    x = 250,320.51

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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.