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Finding the Fourth Proportional to 269,764.60, 404,112.30 and 236,522.20

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Solution

The fourth proportional to 269,764.60, 404,112.30 and 236,522.20 is: 354,314.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,764.60 : 404,112.30 = 236,522.20 : x
  2. Step 2: Convert to fraction form
    269,764.60/404,112.30 = 236,522.20/x
  3. Step 3: Cross multiply
    269,764.60x = 404,112.30 × 236,522.20
  4. Step 4: Simplify right side
    269,764.60x = 95,581,530,243.06
  5. Step 5: Solve for x
    x = 95,581,530,243.06/269,764.60
  6. Step 6: Final answer
    x = 354,314.58

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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.