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Finding the Fourth Proportional to 329,286.78, 493,872.76 and 92,573.18

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Solution

The fourth proportional to 329,286.78, 493,872.76 and 92,573.18 is: 138,843.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,286.78 : 493,872.76 = 92,573.18 : x
  2. Step 2: Convert to fraction form
    329,286.78/493,872.76 = 92,573.18/x
  3. Step 3: Cross multiply
    329,286.78x = 493,872.76 × 92,573.18
  4. Step 4: Simplify right side
    329,286.78x = 45,719,371,908.58
  5. Step 5: Solve for x
    x = 45,719,371,908.58/329,286.78
  6. Step 6: Final answer
    x = 138,843.63

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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.