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Finding the Fourth Proportional to 323,065.54, 445,754.28 and 271,578.43

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Solution

The fourth proportional to 323,065.54, 445,754.28 and 271,578.43 is: 374,714.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,065.54 : 445,754.28 = 271,578.43 : x
  2. Step 2: Convert to fraction form
    323,065.54/445,754.28 = 271,578.43/x
  3. Step 3: Cross multiply
    323,065.54x = 445,754.28 × 271,578.43
  4. Step 4: Simplify right side
    323,065.54x = 121,057,247,528.18
  5. Step 5: Solve for x
    x = 121,057,247,528.18/323,065.54
  6. Step 6: Final answer
    x = 374,714.21

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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.