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Finding the Fourth Proportional to 449,755.52, 674,820.27 and 196,905.83

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Solution

The fourth proportional to 449,755.52, 674,820.27 and 196,905.83 is: 295,440.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,755.52 : 674,820.27 = 196,905.83 : x
  2. Step 2: Convert to fraction form
    449,755.52/674,820.27 = 196,905.83/x
  3. Step 3: Cross multiply
    449,755.52x = 674,820.27 × 196,905.83
  4. Step 4: Simplify right side
    449,755.52x = 132,876,041,991.07
  5. Step 5: Solve for x
    x = 132,876,041,991.07/449,755.52
  6. Step 6: Final answer
    x = 295,440.61

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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.