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Finding the Fourth Proportional to 263,274.21, 362,940.52 and 187,691.49

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Solution

The fourth proportional to 263,274.21, 362,940.52 and 187,691.49 is: 258,744.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,274.21 : 362,940.52 = 187,691.49 : x
  2. Step 2: Convert to fraction form
    263,274.21/362,940.52 = 187,691.49/x
  3. Step 3: Cross multiply
    263,274.21x = 362,940.52 × 187,691.49
  4. Step 4: Simplify right side
    263,274.21x = 68,120,846,980.17
  5. Step 5: Solve for x
    x = 68,120,846,980.17/263,274.21
  6. Step 6: Final answer
    x = 258,744.85

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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.