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Finding the Fourth Proportional to 331,896.11, 458,015.99 and 180,993.11

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Solution

The fourth proportional to 331,896.11, 458,015.99 and 180,993.11 is: 249,770.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,896.11 : 458,015.99 = 180,993.11 : x
  2. Step 2: Convert to fraction form
    331,896.11/458,015.99 = 180,993.11/x
  3. Step 3: Cross multiply
    331,896.11x = 458,015.99 × 180,993.11
  4. Step 4: Simplify right side
    331,896.11x = 82,897,735,264.78
  5. Step 5: Solve for x
    x = 82,897,735,264.78/331,896.11
  6. Step 6: Final answer
    x = 249,770.14

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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.