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Finding the Fourth Proportional to 396,879.26, 595,271.73 and 130,573.73

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Solution

The fourth proportional to 396,879.26, 595,271.73 and 130,573.73 is: 195,845.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,879.26 : 595,271.73 = 130,573.73 : x
  2. Step 2: Convert to fraction form
    396,879.26/595,271.73 = 130,573.73/x
  3. Step 3: Cross multiply
    396,879.26x = 595,271.73 × 130,573.73
  4. Step 4: Simplify right side
    396,879.26x = 77,726,850,149.65
  5. Step 5: Solve for x
    x = 77,726,850,149.65/396,879.26
  6. Step 6: Final answer
    x = 195,845.08

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1.5x scale

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.