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Finding the Fourth Proportional to 322,628.85, 445,226.36 and 179,380.35

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Solution

The fourth proportional to 322,628.85, 445,226.36 and 179,380.35 is: 247,544.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,628.85 : 445,226.36 = 179,380.35 : x
  2. Step 2: Convert to fraction form
    322,628.85/445,226.36 = 179,380.35/x
  3. Step 3: Cross multiply
    322,628.85x = 445,226.36 × 179,380.35
  4. Step 4: Simplify right side
    322,628.85x = 79,864,859,389.12
  5. Step 5: Solve for x
    x = 79,864,859,389.12/322,628.85
  6. Step 6: Final answer
    x = 247,544.07

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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.