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Finding the Fourth Proportional to 269,789.20, 403,762.20 and 236,611.60

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Solution

The fourth proportional to 269,789.20, 403,762.20 and 236,611.60 is: 354,109.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,789.20 : 403,762.20 = 236,611.60 : x
  2. Step 2: Convert to fraction form
    269,789.20/403,762.20 = 236,611.60/x
  3. Step 3: Cross multiply
    269,789.20x = 403,762.20 × 236,611.60
  4. Step 4: Simplify right side
    269,789.20x = 95,534,820,161.52
  5. Step 5: Solve for x
    x = 95,534,820,161.52/269,789.20
  6. Step 6: Final answer
    x = 354,109.13

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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.