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Finding the Fourth Proportional to 484,469.60, 726,963.60 and 204,015.20

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Solution

The fourth proportional to 484,469.60, 726,963.60 and 204,015.20 is: 306,131.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,469.60 : 726,963.60 = 204,015.20 : x
  2. Step 2: Convert to fraction form
    484,469.60/726,963.60 = 204,015.20/x
  3. Step 3: Cross multiply
    484,469.60x = 726,963.60 × 204,015.20
  4. Step 4: Simplify right side
    484,469.60x = 148,311,624,246.72
  5. Step 5: Solve for x
    x = 148,311,624,246.72/484,469.60
  6. Step 6: Final answer
    x = 306,131.95

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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.