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Finding the Fourth Proportional to 396,299.63, 546,896.57 and 232,912.25

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Solution

The fourth proportional to 396,299.63, 546,896.57 and 232,912.25 is: 321,420.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,299.63 : 546,896.57 = 232,912.25 : x
  2. Step 2: Convert to fraction form
    396,299.63/546,896.57 = 232,912.25/x
  3. Step 3: Cross multiply
    396,299.63x = 546,896.57 × 232,912.25
  4. Step 4: Simplify right side
    396,299.63x = 127,378,906,736.94
  5. Step 5: Solve for x
    x = 127,378,906,736.94/396,299.63
  6. Step 6: Final answer
    x = 321,420.71

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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.