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Finding the Fourth Proportional to 326,229.58, 450,195.90 and 181,057.28

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Solution

The fourth proportional to 326,229.58, 450,195.90 and 181,057.28 is: 249,858.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,229.58 : 450,195.90 = 181,057.28 : x
  2. Step 2: Convert to fraction form
    326,229.58/450,195.90 = 181,057.28/x
  3. Step 3: Cross multiply
    326,229.58x = 450,195.90 × 181,057.28
  4. Step 4: Simplify right side
    326,229.58x = 81,511,245,121.15
  5. Step 5: Solve for x
    x = 81,511,245,121.15/326,229.58
  6. Step 6: Final answer
    x = 249,858.54

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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.