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Finding the Fourth Proportional to 322,660.82, 445,253.62 and 179,417.79

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Solution

The fourth proportional to 322,660.82, 445,253.62 and 179,417.79 is: 247,586.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,660.82 : 445,253.62 = 179,417.79 : x
  2. Step 2: Convert to fraction form
    322,660.82/445,253.62 = 179,417.79/x
  3. Step 3: Cross multiply
    322,660.82x = 445,253.62 × 179,417.79
  4. Step 4: Simplify right side
    322,660.82x = 79,886,420,489.90
  5. Step 5: Solve for x
    x = 79,886,420,489.90/322,660.82
  6. Step 6: Final answer
    x = 247,586.37

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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.