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Finding the Fourth Proportional to 358,227.35, 494,388.63 and 267,425.64

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Solution

The fourth proportional to 358,227.35, 494,388.63 and 267,425.64 is: 369,073.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,227.35 : 494,388.63 = 267,425.64 : x
  2. Step 2: Convert to fraction form
    358,227.35/494,388.63 = 267,425.64/x
  3. Step 3: Cross multiply
    358,227.35x = 494,388.63 × 267,425.64
  4. Step 4: Simplify right side
    358,227.35x = 132,212,195,786.47
  5. Step 5: Solve for x
    x = 132,212,195,786.47/358,227.35
  6. Step 6: Final answer
    x = 369,073.43

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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.