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Finding the Fourth Proportional to 275,625.54, 380,468.52 and 268,041.48

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Solution

The fourth proportional to 275,625.54, 380,468.52 and 268,041.48 is: 369,999.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,625.54 : 380,468.52 = 268,041.48 : x
  2. Step 2: Convert to fraction form
    275,625.54/380,468.52 = 268,041.48/x
  3. Step 3: Cross multiply
    275,625.54x = 380,468.52 × 268,041.48
  4. Step 4: Simplify right side
    275,625.54x = 101,981,345,194.21
  5. Step 5: Solve for x
    x = 101,981,345,194.21/275,625.54
  6. Step 6: Final answer
    x = 369,999.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.