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Finding the Fourth Proportional to 297,458.73, 410,480.87 and 161,487.41

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Solution

The fourth proportional to 297,458.73, 410,480.87 and 161,487.41 is: 222,846.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,458.73 : 410,480.87 = 161,487.41 : x
  2. Step 2: Convert to fraction form
    297,458.73/410,480.87 = 161,487.41/x
  3. Step 3: Cross multiply
    297,458.73x = 410,480.87 × 161,487.41
  4. Step 4: Simplify right side
    297,458.73x = 66,287,489,691.01
  5. Step 5: Solve for x
    x = 66,287,489,691.01/297,458.73
  6. Step 6: Final answer
    x = 222,846.01

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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.