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Finding the Fourth Proportional to 396,877.26, 595,268.73 and 130,571.73

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Solution

The fourth proportional to 396,877.26, 595,268.73 and 130,571.73 is: 195,842.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,877.26 : 595,268.73 = 130,571.73 : x
  2. Step 2: Convert to fraction form
    396,877.26/595,268.73 = 130,571.73/x
  3. Step 3: Cross multiply
    396,877.26x = 595,268.73 × 130,571.73
  4. Step 4: Simplify right side
    396,877.26x = 77,725,267,891.00
  5. Step 5: Solve for x
    x = 77,725,267,891.00/396,877.26
  6. Step 6: Final answer
    x = 195,842.08

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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.