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Finding the Fourth Proportional to 269,538.60, 403,773.30 and 236,296.20

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Solution

The fourth proportional to 269,538.60, 403,773.30 and 236,296.20 is: 353,975.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,538.60 : 403,773.30 = 236,296.20 : x
  2. Step 2: Convert to fraction form
    269,538.60/403,773.30 = 236,296.20/x
  3. Step 3: Cross multiply
    269,538.60x = 403,773.30 × 236,296.20
  4. Step 4: Simplify right side
    269,538.60x = 95,410,096,451.46
  5. Step 5: Solve for x
    x = 95,410,096,451.46/269,538.60
  6. Step 6: Final answer
    x = 353,975.63

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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.