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Finding the Fourth Proportional to 396,299.56, 546,893.40 and 226,537.33

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Solution

The fourth proportional to 396,299.56, 546,893.40 and 226,537.33 is: 312,621.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,299.56 : 546,893.40 = 226,537.33 : x
  2. Step 2: Convert to fraction form
    396,299.56/546,893.40 = 226,537.33/x
  3. Step 3: Cross multiply
    396,299.56x = 546,893.40 × 226,537.33
  4. Step 4: Simplify right side
    396,299.56x = 123,891,770,630.62
  5. Step 5: Solve for x
    x = 123,891,770,630.62/396,299.56
  6. Step 6: Final answer
    x = 312,621.52

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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.