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Finding the Fourth Proportional to 322,768.33, 445,419.11 and 179,528.39

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Solution

The fourth proportional to 322,768.33, 445,419.11 and 179,528.39 is: 247,748.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,768.33 : 445,419.11 = 179,528.39 : x
  2. Step 2: Convert to fraction form
    322,768.33/445,419.11 = 179,528.39/x
  3. Step 3: Cross multiply
    322,768.33x = 445,419.11 × 179,528.39
  4. Step 4: Simplify right side
    322,768.33x = 79,965,375,693.53
  5. Step 5: Solve for x
    x = 79,965,375,693.53/322,768.33
  6. Step 6: Final answer
    x = 247,748.52

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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.