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Finding the Fourth Proportional to 269,276.97, 403,914.25 and 69,580.38

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Solution

The fourth proportional to 269,276.97, 403,914.25 and 69,580.38 is: 104,370.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,276.97 : 403,914.25 = 69,580.38 : x
  2. Step 2: Convert to fraction form
    269,276.97/403,914.25 = 69,580.38/x
  3. Step 3: Cross multiply
    269,276.97x = 403,914.25 × 69,580.38
  4. Step 4: Simplify right side
    269,276.97x = 28,104,508,212.68
  5. Step 5: Solve for x
    x = 28,104,508,212.68/269,276.97
  6. Step 6: Final answer
    x = 104,370.26

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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.