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Finding the Fourth Proportional to 636,273.20, 954,388.20 and 162,963.20

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Solution

The fourth proportional to 636,273.20, 954,388.20 and 162,963.20 is: 244,439.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,273.20 : 954,388.20 = 162,963.20 : x
  2. Step 2: Convert to fraction form
    636,273.20/954,388.20 = 162,963.20/x
  3. Step 3: Cross multiply
    636,273.20x = 954,388.20 × 162,963.20
  4. Step 4: Simplify right side
    636,273.20x = 155,530,155,114.24
  5. Step 5: Solve for x
    x = 155,530,155,114.24/636,273.20
  6. Step 6: Final answer
    x = 244,439.27

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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.