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Finding the Fourth Proportional to 325,651.92, 449,618.94 and 203,330.52

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Solution

The fourth proportional to 325,651.92, 449,618.94 and 203,330.52 is: 280,733.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,651.92 : 449,618.94 = 203,330.52 : x
  2. Step 2: Convert to fraction form
    325,651.92/449,618.94 = 203,330.52/x
  3. Step 3: Cross multiply
    325,651.92x = 449,618.94 × 203,330.52
  4. Step 4: Simplify right side
    325,651.92x = 91,421,252,872.05
  5. Step 5: Solve for x
    x = 91,421,252,872.05/325,651.92
  6. Step 6: Final answer
    x = 280,733.04

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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.