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Finding the Fourth Proportional to 327,608.89, 491,600.59 and 177,861.35

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Solution

The fourth proportional to 327,608.89, 491,600.59 and 177,861.35 is: 266,893.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,608.89 : 491,600.59 = 177,861.35 : x
  2. Step 2: Convert to fraction form
    327,608.89/491,600.59 = 177,861.35/x
  3. Step 3: Cross multiply
    327,608.89x = 491,600.59 × 177,861.35
  4. Step 4: Simplify right side
    327,608.89x = 87,436,746,383.01
  5. Step 5: Solve for x
    x = 87,436,746,383.01/327,608.89
  6. Step 6: Final answer
    x = 266,893.69

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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.