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Finding the Fourth Proportional to 330,286.44, 455,797.62 and 179,383.44

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Solution

The fourth proportional to 330,286.44, 455,797.62 and 179,383.44 is: 247,550.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,286.44 : 455,797.62 = 179,383.44 : x
  2. Step 2: Convert to fraction form
    330,286.44/455,797.62 = 179,383.44/x
  3. Step 3: Cross multiply
    330,286.44x = 455,797.62 × 179,383.44
  4. Step 4: Simplify right side
    330,286.44x = 81,762,545,019.41
  5. Step 5: Solve for x
    x = 81,762,545,019.41/330,286.44
  6. Step 6: Final answer
    x = 247,550.41

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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.