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Finding the Fourth Proportional to 350,343.52, 483,474.01 and 189,198.54

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Solution

The fourth proportional to 350,343.52, 483,474.01 and 189,198.54 is: 261,093.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,343.52 : 483,474.01 = 189,198.54 : x
  2. Step 2: Convert to fraction form
    350,343.52/483,474.01 = 189,198.54/x
  3. Step 3: Cross multiply
    350,343.52x = 483,474.01 × 189,198.54
  4. Step 4: Simplify right side
    350,343.52x = 91,472,576,819.95
  5. Step 5: Solve for x
    x = 91,472,576,819.95/350,343.52
  6. Step 6: Final answer
    x = 261,093.96

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1.5x scale

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.