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Finding the Fourth Proportional to 449,803.37, 674,892.46 and 197,265.09

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Solution

The fourth proportional to 449,803.37, 674,892.46 and 197,265.09 is: 295,979.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,803.37 : 674,892.46 = 197,265.09 : x
  2. Step 2: Convert to fraction form
    449,803.37/674,892.46 = 197,265.09/x
  3. Step 3: Cross multiply
    449,803.37x = 674,892.46 × 197,265.09
  4. Step 4: Simplify right side
    449,803.37x = 133,132,721,369.06
  5. Step 5: Solve for x
    x = 133,132,721,369.06/449,803.37
  6. Step 6: Final answer
    x = 295,979.83

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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.