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Finding the Fourth Proportional to 412,332.37, 618,736.43 and 222,793.27

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Solution

The fourth proportional to 412,332.37, 618,736.43 and 222,793.27 is: 334,318.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,332.37 : 618,736.43 = 222,793.27 : x
  2. Step 2: Convert to fraction form
    412,332.37/618,736.43 = 222,793.27/x
  3. Step 3: Cross multiply
    412,332.37x = 618,736.43 × 222,793.27
  4. Step 4: Simplify right side
    412,332.37x = 137,850,312,507.83
  5. Step 5: Solve for x
    x = 137,850,312,507.83/412,332.37
  6. Step 6: Final answer
    x = 334,318.43

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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.