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Finding the Fourth Proportional to 396,996.12, 595,364.58 and 130,694.04

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Solution

The fourth proportional to 396,996.12, 595,364.58 and 130,694.04 is: 195,998.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,996.12 : 595,364.58 = 130,694.04 : x
  2. Step 2: Convert to fraction form
    396,996.12/595,364.58 = 130,694.04/x
  3. Step 3: Cross multiply
    396,996.12x = 595,364.58 × 130,694.04
  4. Step 4: Simplify right side
    396,996.12x = 77,810,602,233.10
  5. Step 5: Solve for x
    x = 77,810,602,233.10/396,996.12
  6. Step 6: Final answer
    x = 195,998.39

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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.