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Finding the Fourth Proportional to 327,803.73, 491,790.11 and 178,005.57

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Solution

The fourth proportional to 327,803.73, 491,790.11 and 178,005.57 is: 267,054.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,803.73 : 491,790.11 = 178,005.57 : x
  2. Step 2: Convert to fraction form
    327,803.73/491,790.11 = 178,005.57/x
  3. Step 3: Cross multiply
    327,803.73x = 491,790.11 × 178,005.57
  4. Step 4: Simplify right side
    327,803.73x = 87,541,377,960.88
  5. Step 5: Solve for x
    x = 87,541,377,960.88/327,803.73
  6. Step 6: Final answer
    x = 267,054.25

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1.5x scale

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.