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Finding the Fourth Proportional to 396,936.86, 595,401.64 and 160,276.12

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Solution

The fourth proportional to 396,936.86, 595,401.64 and 160,276.12 is: 240,412.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,936.86 : 595,401.64 = 160,276.12 : x
  2. Step 2: Convert to fraction form
    396,936.86/595,401.64 = 160,276.12/x
  3. Step 3: Cross multiply
    396,936.86x = 595,401.64 × 160,276.12
  4. Step 4: Simplify right side
    396,936.86x = 95,428,662,811.64
  5. Step 5: Solve for x
    x = 95,428,662,811.64/396,936.86
  6. Step 6: Final answer
    x = 240,412.70

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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.