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Finding the Fourth Proportional to 331,562.36, 496,989.42 and 189,100.92

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Solution

The fourth proportional to 331,562.36, 496,989.42 and 189,100.92 is: 283,449.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,562.36 : 496,989.42 = 189,100.92 : x
  2. Step 2: Convert to fraction form
    331,562.36/496,989.42 = 189,100.92/x
  3. Step 3: Cross multiply
    331,562.36x = 496,989.42 × 189,100.92
  4. Step 4: Simplify right side
    331,562.36x = 93,981,156,552.27
  5. Step 5: Solve for x
    x = 93,981,156,552.27/331,562.36
  6. Step 6: Final answer
    x = 283,449.42

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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.