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Finding the Fourth Proportional to 322,802.28, 484,198.83 and 145,183.32

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Solution

The fourth proportional to 322,802.28, 484,198.83 and 145,183.32 is: 217,772.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,802.28 : 484,198.83 = 145,183.32 : x
  2. Step 2: Convert to fraction form
    322,802.28/484,198.83 = 145,183.32/x
  3. Step 3: Cross multiply
    322,802.28x = 484,198.83 × 145,183.32
  4. Step 4: Simplify right side
    322,802.28x = 70,297,593,679.52
  5. Step 5: Solve for x
    x = 70,297,593,679.52/322,802.28
  6. Step 6: Final answer
    x = 217,772.92

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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.