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Finding the Fourth Proportional to 356,008.58, 491,272.82 and 194,832.45

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Solution

The fourth proportional to 356,008.58, 491,272.82 and 194,832.45 is: 268,858.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,008.58 : 491,272.82 = 194,832.45 : x
  2. Step 2: Convert to fraction form
    356,008.58/491,272.82 = 194,832.45/x
  3. Step 3: Cross multiply
    356,008.58x = 491,272.82 × 194,832.45
  4. Step 4: Simplify right side
    356,008.58x = 95,715,886,164.85
  5. Step 5: Solve for x
    x = 95,715,886,164.85/356,008.58
  6. Step 6: Final answer
    x = 268,858.37

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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.