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Finding the Fourth Proportional to 468,439.22, 702,660.50 and 113,453.48

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Solution

The fourth proportional to 468,439.22, 702,660.50 and 113,453.48 is: 170,180.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,439.22 : 702,660.50 = 113,453.48 : x
  2. Step 2: Convert to fraction form
    468,439.22/702,660.50 = 113,453.48/x
  3. Step 3: Cross multiply
    468,439.22x = 702,660.50 × 113,453.48
  4. Step 4: Simplify right side
    468,439.22x = 79,719,278,983.54
  5. Step 5: Solve for x
    x = 79,719,278,983.54/468,439.22
  6. Step 6: Final answer
    x = 170,180.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.