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Finding the Fourth Proportional to 275,797.66, 380,617.03 and 207,694.48

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Solution

The fourth proportional to 275,797.66, 380,617.03 and 207,694.48 is: 286,630.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,797.66 : 380,617.03 = 207,694.48 : x
  2. Step 2: Convert to fraction form
    275,797.66/380,617.03 = 207,694.48/x
  3. Step 3: Cross multiply
    275,797.66x = 380,617.03 × 207,694.48
  4. Step 4: Simplify right side
    275,797.66x = 79,052,056,124.99
  5. Step 5: Solve for x
    x = 79,052,056,124.99/275,797.66
  6. Step 6: Final answer
    x = 286,630.63

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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.