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Finding the Fourth Proportional to 483,322.22, 667,170.66 and 322,118.45

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Solution

The fourth proportional to 483,322.22, 667,170.66 and 322,118.45 is: 444,647.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,322.22 : 667,170.66 = 322,118.45 : x
  2. Step 2: Convert to fraction form
    483,322.22/667,170.66 = 322,118.45/x
  3. Step 3: Cross multiply
    483,322.22x = 667,170.66 × 322,118.45
  4. Step 4: Simplify right side
    483,322.22x = 214,907,976,929.27
  5. Step 5: Solve for x
    x = 214,907,976,929.27/483,322.22
  6. Step 6: Final answer
    x = 444,647.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.