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Finding the Fourth Proportional to 412,333.62, 618,738.30 and 222,794.52

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Solution

The fourth proportional to 412,333.62, 618,738.30 and 222,794.52 is: 334,320.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,333.62 : 618,738.30 = 222,794.52 : x
  2. Step 2: Convert to fraction form
    412,333.62/618,738.30 = 222,794.52/x
  3. Step 3: Cross multiply
    412,333.62x = 618,738.30 × 222,794.52
  4. Step 4: Simplify right side
    412,333.62x = 137,851,502,554.12
  5. Step 5: Solve for x
    x = 137,851,502,554.12/412,333.62
  6. Step 6: Final answer
    x = 334,320.31

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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.