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Finding the Fourth Proportional to 343,361.73, 512,954.02 and 222,434.30

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Solution

The fourth proportional to 343,361.73, 512,954.02 and 222,434.30 is: 332,298.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,361.73 : 512,954.02 = 222,434.30 : x
  2. Step 2: Convert to fraction form
    343,361.73/512,954.02 = 222,434.30/x
  3. Step 3: Cross multiply
    343,361.73x = 512,954.02 × 222,434.30
  4. Step 4: Simplify right side
    343,361.73x = 114,098,568,680.12
  5. Step 5: Solve for x
    x = 114,098,568,680.12/343,361.73
  6. Step 6: Final answer
    x = 332,298.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.