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Finding the Fourth Proportional to 412,010.43, 618,245.28 and 222,466.79

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Solution

The fourth proportional to 412,010.43, 618,245.28 and 222,466.79 is: 333,824.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,010.43 : 618,245.28 = 222,466.79 : x
  2. Step 2: Convert to fraction form
    412,010.43/618,245.28 = 222,466.79/x
  3. Step 3: Cross multiply
    412,010.43x = 618,245.28 × 222,466.79
  4. Step 4: Simplify right side
    412,010.43x = 137,539,039,783.03
  5. Step 5: Solve for x
    x = 137,539,039,783.03/412,010.43
  6. Step 6: Final answer
    x = 333,824.17

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1.5x scale

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.