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Finding the Fourth Proportional to 445,859.66, 668,811.42 and 179,584.17

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Solution

The fourth proportional to 445,859.66, 668,811.42 and 179,584.17 is: 269,385.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,859.66 : 668,811.42 = 179,584.17 : x
  2. Step 2: Convert to fraction form
    445,859.66/668,811.42 = 179,584.17/x
  3. Step 3: Cross multiply
    445,859.66x = 668,811.42 × 179,584.17
  4. Step 4: Simplify right side
    445,859.66x = 120,107,942,849.30
  5. Step 5: Solve for x
    x = 120,107,942,849.30/445,859.66
  6. Step 6: Final answer
    x = 269,385.09

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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.