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Finding the Fourth Proportional to 322,731, 445,366.30 and 177,533.65

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Solution

The fourth proportional to 322,731, 445,366.30 and 177,533.65 is: 244,995.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,731 : 445,366.30 = 177,533.65 : x
  2. Step 2: Convert to fraction form
    322,731/445,366.30 = 177,533.65/x
  3. Step 3: Cross multiply
    322,731x = 445,366.30 × 177,533.65
  4. Step 4: Simplify right side
    322,731x = 79,067,504,826.00
  5. Step 5: Solve for x
    x = 79,067,504,826.00/322,731
  6. Step 6: Final answer
    x = 244,995.07

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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.