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Finding the Fourth Proportional to 276,682.72, 381,850.86 and 169,324.24

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Solution

The fourth proportional to 276,682.72, 381,850.86 and 169,324.24 is: 233,685.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,682.72 : 381,850.86 = 169,324.24 : x
  2. Step 2: Convert to fraction form
    276,682.72/381,850.86 = 169,324.24/x
  3. Step 3: Cross multiply
    276,682.72x = 381,850.86 × 169,324.24
  4. Step 4: Simplify right side
    276,682.72x = 64,656,606,662.85
  5. Step 5: Solve for x
    x = 64,656,606,662.85/276,682.72
  6. Step 6: Final answer
    x = 233,685.02

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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.