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Finding the Fourth Proportional to 441,838.20, 662,757.30 and 217,233.30

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Solution

The fourth proportional to 441,838.20, 662,757.30 and 217,233.30 is: 325,849.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,838.20 : 662,757.30 = 217,233.30 : x
  2. Step 2: Convert to fraction form
    441,838.20/662,757.30 = 217,233.30/x
  3. Step 3: Cross multiply
    441,838.20x = 662,757.30 × 217,233.30
  4. Step 4: Simplify right side
    441,838.20x = 143,972,955,378.09
  5. Step 5: Solve for x
    x = 143,972,955,378.09/441,838.20
  6. Step 6: Final answer
    x = 325,849.95

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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.