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Finding the Fourth Proportional to 322,317.62, 444,439.74 and 220,359.68

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Solution

The fourth proportional to 322,317.62, 444,439.74 and 220,359.68 is: 303,851.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,317.62 : 444,439.74 = 220,359.68 : x
  2. Step 2: Convert to fraction form
    322,317.62/444,439.74 = 220,359.68/x
  3. Step 3: Cross multiply
    322,317.62x = 444,439.74 × 220,359.68
  4. Step 4: Simplify right side
    322,317.62x = 97,936,598,885.68
  5. Step 5: Solve for x
    x = 97,936,598,885.68/322,317.62
  6. Step 6: Final answer
    x = 303,851.21

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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.