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Finding the Fourth Proportional to 350,338.87, 483,467.63 and 189,193.91

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Solution

The fourth proportional to 350,338.87, 483,467.63 and 189,193.91 is: 261,087.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,338.87 : 483,467.63 = 189,193.91 : x
  2. Step 2: Convert to fraction form
    350,338.87/483,467.63 = 189,193.91/x
  3. Step 3: Cross multiply
    350,338.87x = 483,467.63 × 189,193.91
  4. Step 4: Simplify right side
    350,338.87x = 91,469,129,806.69
  5. Step 5: Solve for x
    x = 91,469,129,806.69/350,338.87
  6. Step 6: Final answer
    x = 261,087.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.