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Finding the Fourth Proportional to 654,194.40, 981,356.40 and 227,664.60

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Solution

The fourth proportional to 654,194.40, 981,356.40 and 227,664.60 is: 341,519.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,194.40 : 981,356.40 = 227,664.60 : x
  2. Step 2: Convert to fraction form
    654,194.40/981,356.40 = 227,664.60/x
  3. Step 3: Cross multiply
    654,194.40x = 981,356.40 × 227,664.60
  4. Step 4: Simplify right side
    654,194.40x = 223,420,112,263.44
  5. Step 5: Solve for x
    x = 223,420,112,263.44/654,194.40
  6. Step 6: Final answer
    x = 341,519.45

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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.