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Finding the Fourth Proportional to 350,658.26, 483,910.61 and 189,512.91

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Solution

The fourth proportional to 350,658.26, 483,910.61 and 189,512.91 is: 261,529.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,658.26 : 483,910.61 = 189,512.91 : x
  2. Step 2: Convert to fraction form
    350,658.26/483,910.61 = 189,512.91/x
  3. Step 3: Cross multiply
    350,658.26x = 483,910.61 × 189,512.91
  4. Step 4: Simplify right side
    350,658.26x = 91,707,306,933.41
  5. Step 5: Solve for x
    x = 91,707,306,933.41/350,658.26
  6. Step 6: Final answer
    x = 261,529.01

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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.