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Finding the Fourth Proportional to 322,855.74, 445,534.83 and 179,615.34

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Solution

The fourth proportional to 322,855.74, 445,534.83 and 179,615.34 is: 247,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,855.74 : 445,534.83 = 179,615.34 : x
  2. Step 2: Convert to fraction form
    322,855.74/445,534.83 = 179,615.34/x
  3. Step 3: Cross multiply
    322,855.74x = 445,534.83 × 179,615.34
  4. Step 4: Simplify right side
    322,855.74x = 80,024,889,972.29
  5. Step 5: Solve for x
    x = 80,024,889,972.29/322,855.74
  6. Step 6: Final answer
    x = 247,865.78

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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.