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Finding the Fourth Proportional to 399,063.43, 550,685.41 and 226,958.14

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Solution

The fourth proportional to 399,063.43, 550,685.41 and 226,958.14 is: 313,189.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,063.43 : 550,685.41 = 226,958.14 : x
  2. Step 2: Convert to fraction form
    399,063.43/550,685.41 = 226,958.14/x
  3. Step 3: Cross multiply
    399,063.43x = 550,685.41 × 226,958.14
  4. Step 4: Simplify right side
    399,063.43x = 124,982,536,378.74
  5. Step 5: Solve for x
    x = 124,982,536,378.74/399,063.43
  6. Step 6: Final answer
    x = 313,189.65

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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.