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Finding the Fourth Proportional to 396,856.31, 547,748.36 and 244,026.01

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Solution

The fourth proportional to 396,856.31, 547,748.36 and 244,026.01 is: 336,809.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,856.31 : 547,748.36 = 244,026.01 : x
  2. Step 2: Convert to fraction form
    396,856.31/547,748.36 = 244,026.01/x
  3. Step 3: Cross multiply
    396,856.31x = 547,748.36 × 244,026.01
  4. Step 4: Simplify right side
    396,856.31x = 133,664,846,774.84
  5. Step 5: Solve for x
    x = 133,664,846,774.84/396,856.31
  6. Step 6: Final answer
    x = 336,809.18

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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.