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Finding the Fourth Proportional to 265,226.73, 397,936.34 and 163,906.69

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Solution

The fourth proportional to 265,226.73, 397,936.34 and 163,906.69 is: 245,919.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,226.73 : 397,936.34 = 163,906.69 : x
  2. Step 2: Convert to fraction form
    265,226.73/397,936.34 = 163,906.69/x
  3. Step 3: Cross multiply
    265,226.73x = 397,936.34 × 163,906.69
  4. Step 4: Simplify right side
    265,226.73x = 65,224,428,320.11
  5. Step 5: Solve for x
    x = 65,224,428,320.11/265,226.73
  6. Step 6: Final answer
    x = 245,919.51

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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.