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Finding the Fourth Proportional to 484,410.28, 726,619.50 and 168,866.60

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Solution

The fourth proportional to 484,410.28, 726,619.50 and 168,866.60 is: 253,301.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,410.28 : 726,619.50 = 168,866.60 : x
  2. Step 2: Convert to fraction form
    484,410.28/726,619.50 = 168,866.60/x
  3. Step 3: Cross multiply
    484,410.28x = 726,619.50 × 168,866.60
  4. Step 4: Simplify right side
    484,410.28x = 122,701,764,458.70
  5. Step 5: Solve for x
    x = 122,701,764,458.70/484,410.28
  6. Step 6: Final answer
    x = 253,301.32

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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.