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Finding the Fourth Proportional to 325,310.43, 448,942.42 and 180,116.21

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Solution

The fourth proportional to 325,310.43, 448,942.42 and 180,116.21 is: 248,568.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,310.43 : 448,942.42 = 180,116.21 : x
  2. Step 2: Convert to fraction form
    325,310.43/448,942.42 = 180,116.21/x
  3. Step 3: Cross multiply
    325,310.43x = 448,942.42 × 180,116.21
  4. Step 4: Simplify right side
    325,310.43x = 80,861,807,198.63
  5. Step 5: Solve for x
    x = 80,861,807,198.63/325,310.43
  6. Step 6: Final answer
    x = 248,568.14

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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.