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Finding the Fourth Proportional to 319,596.94, 479,609.25 and 132,608.44

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Solution

The fourth proportional to 319,596.94, 479,609.25 and 132,608.44 is: 199,001.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,596.94 : 479,609.25 = 132,608.44 : x
  2. Step 2: Convert to fraction form
    319,596.94/479,609.25 = 132,608.44/x
  3. Step 3: Cross multiply
    319,596.94x = 479,609.25 × 132,608.44
  4. Step 4: Simplify right side
    319,596.94x = 63,600,234,452.07
  5. Step 5: Solve for x
    x = 63,600,234,452.07/319,596.94
  6. Step 6: Final answer
    x = 199,001.39

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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.