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Finding the Fourth Proportional to 297,371.15, 410,361.19 and 161,402.17

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Solution

The fourth proportional to 297,371.15, 410,361.19 and 161,402.17 is: 222,729.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,371.15 : 410,361.19 = 161,402.17 : x
  2. Step 2: Convert to fraction form
    297,371.15/410,361.19 = 161,402.17/x
  3. Step 3: Cross multiply
    297,371.15x = 410,361.19 × 161,402.17
  4. Step 4: Simplify right side
    297,371.15x = 66,233,185,889.80
  5. Step 5: Solve for x
    x = 66,233,185,889.80/297,371.15
  6. Step 6: Final answer
    x = 222,729.02

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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.