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Finding the Fourth Proportional to 329,568.60, 494,324.10 and 107,952.60

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Solution

The fourth proportional to 329,568.60, 494,324.10 and 107,952.60 is: 161,919.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,568.60 : 494,324.10 = 107,952.60 : x
  2. Step 2: Convert to fraction form
    329,568.60/494,324.10 = 107,952.60/x
  3. Step 3: Cross multiply
    329,568.60x = 494,324.10 × 107,952.60
  4. Step 4: Simplify right side
    329,568.60x = 53,363,571,837.66
  5. Step 5: Solve for x
    x = 53,363,571,837.66/329,568.60
  6. Step 6: Final answer
    x = 161,919.47

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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.