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Finding the Fourth Proportional to 449,861.44, 674,979.57 and 197,323.29

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Solution

The fourth proportional to 449,861.44, 674,979.57 and 197,323.29 is: 296,067.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,861.44 : 674,979.57 = 197,323.29 : x
  2. Step 2: Convert to fraction form
    449,861.44/674,979.57 = 197,323.29/x
  3. Step 3: Cross multiply
    449,861.44x = 674,979.57 × 197,323.29
  4. Step 4: Simplify right side
    449,861.44x = 133,189,186,060.29
  5. Step 5: Solve for x
    x = 133,189,186,060.29/449,861.44
  6. Step 6: Final answer
    x = 296,067.13

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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.