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Finding the Fourth Proportional to 445,203.48, 667,882.98 and 195,879

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Solution

The fourth proportional to 445,203.48, 667,882.98 and 195,879 is: 293,852.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,203.48 : 667,882.98 = 195,879 : x
  2. Step 2: Convert to fraction form
    445,203.48/667,882.98 = 195,879/x
  3. Step 3: Cross multiply
    445,203.48x = 667,882.98 × 195,879
  4. Step 4: Simplify right side
    445,203.48x = 130,824,250,239.42
  5. Step 5: Solve for x
    x = 130,824,250,239.42/445,203.48
  6. Step 6: Final answer
    x = 293,852.71

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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.