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Finding the Fourth Proportional to 396,179.60, 593,958.36 and 271,141.52

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Solution

The fourth proportional to 396,179.60, 593,958.36 and 271,141.52 is: 406,499.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,179.60 : 593,958.36 = 271,141.52 : x
  2. Step 2: Convert to fraction form
    396,179.60/593,958.36 = 271,141.52/x
  3. Step 3: Cross multiply
    396,179.60x = 593,958.36 × 271,141.52
  4. Step 4: Simplify right side
    396,179.60x = 161,046,772,547.11
  5. Step 5: Solve for x
    x = 161,046,772,547.11/396,179.60
  6. Step 6: Final answer
    x = 406,499.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.