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Finding the Fourth Proportional to 326,858.28, 451,049.22 and 181,657.32

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Solution

The fourth proportional to 326,858.28, 451,049.22 and 181,657.32 is: 250,678.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,858.28 : 451,049.22 = 181,657.32 : x
  2. Step 2: Convert to fraction form
    326,858.28/451,049.22 = 181,657.32/x
  3. Step 3: Cross multiply
    326,858.28x = 451,049.22 × 181,657.32
  4. Step 4: Simplify right side
    326,858.28x = 81,936,392,493.29
  5. Step 5: Solve for x
    x = 81,936,392,493.29/326,858.28
  6. Step 6: Final answer
    x = 250,678.65

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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.