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Finding the Fourth Proportional to 269,069.91, 403,605.37 and 252,628.45

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Solution

The fourth proportional to 269,069.91, 403,605.37 and 252,628.45 is: 378,943.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,069.91 : 403,605.37 = 252,628.45 : x
  2. Step 2: Convert to fraction form
    269,069.91/403,605.37 = 252,628.45/x
  3. Step 3: Cross multiply
    269,069.91x = 403,605.37 × 252,628.45
  4. Step 4: Simplify right side
    269,069.91x = 101,962,199,034.78
  5. Step 5: Solve for x
    x = 101,962,199,034.78/269,069.91
  6. Step 6: Final answer
    x = 378,943.15

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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.