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Finding the Fourth Proportional to 328,863.75, 453,832.38 and 177,960.75

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Solution

The fourth proportional to 328,863.75, 453,832.38 and 177,960.75 is: 245,586.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,863.75 : 453,832.38 = 177,960.75 : x
  2. Step 2: Convert to fraction form
    328,863.75/453,832.38 = 177,960.75/x
  3. Step 3: Cross multiply
    328,863.75x = 453,832.38 × 177,960.75
  4. Step 4: Simplify right side
    328,863.75x = 80,764,350,719.09
  5. Step 5: Solve for x
    x = 80,764,350,719.09/328,863.75
  6. Step 6: Final answer
    x = 245,586.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.