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Finding the Fourth Proportional to 254,253.77, 381,976.17 and 239,891.11

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Solution

The fourth proportional to 254,253.77, 381,976.17 and 239,891.11 is: 360,398.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,253.77 : 381,976.17 = 239,891.11 : x
  2. Step 2: Convert to fraction form
    254,253.77/381,976.17 = 239,891.11/x
  3. Step 3: Cross multiply
    254,253.77x = 381,976.17 × 239,891.11
  4. Step 4: Simplify right side
    254,253.77x = 91,632,685,504.97
  5. Step 5: Solve for x
    x = 91,632,685,504.97/254,253.77
  6. Step 6: Final answer
    x = 360,398.53

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1.5x scale

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.