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Finding the Fourth Proportional to 355,899.88, 491,141.82 and 194,754.96

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Solution

The fourth proportional to 355,899.88, 491,141.82 and 194,754.96 is: 268,761.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,899.88 : 491,141.82 = 194,754.96 : x
  2. Step 2: Convert to fraction form
    355,899.88/491,141.82 = 194,754.96/x
  3. Step 3: Cross multiply
    355,899.88x = 491,141.82 × 194,754.96
  4. Step 4: Simplify right side
    355,899.88x = 95,652,305,508.43
  5. Step 5: Solve for x
    x = 95,652,305,508.43/355,899.88
  6. Step 6: Final answer
    x = 268,761.84

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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.