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Finding the Fourth Proportional to 567,682.92, 851,446.62 and 331,137

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Solution

The fourth proportional to 567,682.92, 851,446.62 and 331,137 is: 496,660.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,682.92 : 851,446.62 = 331,137 : x
  2. Step 2: Convert to fraction form
    567,682.92/851,446.62 = 331,137/x
  3. Step 3: Cross multiply
    567,682.92x = 851,446.62 × 331,137
  4. Step 4: Simplify right side
    567,682.92x = 281,945,479,406.94
  5. Step 5: Solve for x
    x = 281,945,479,406.94/567,682.92
  6. Step 6: Final answer
    x = 496,660.14

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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.