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Finding the Fourth Proportional to 276,662.77, 381,789.44 and 169,224.91

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Solution

The fourth proportional to 276,662.77, 381,789.44 and 169,224.91 is: 233,527.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,662.77 : 381,789.44 = 169,224.91 : x
  2. Step 2: Convert to fraction form
    276,662.77/381,789.44 = 169,224.91/x
  3. Step 3: Cross multiply
    276,662.77x = 381,789.44 × 169,224.91
  4. Step 4: Simplify right side
    276,662.77x = 64,608,282,511.12
  5. Step 5: Solve for x
    x = 64,608,282,511.12/276,662.77
  6. Step 6: Final answer
    x = 233,527.20

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1.5x scale

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.