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Finding the Fourth Proportional to 322,814.64, 445,506.24 and 179,587.92

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Solution

The fourth proportional to 322,814.64, 445,506.24 and 179,587.92 is: 247,843.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,814.64 : 445,506.24 = 179,587.92 : x
  2. Step 2: Convert to fraction form
    322,814.64/445,506.24 = 179,587.92/x
  3. Step 3: Cross multiply
    322,814.64x = 445,506.24 × 179,587.92
  4. Step 4: Simplify right side
    322,814.64x = 80,007,538,988.62
  5. Step 5: Solve for x
    x = 80,007,538,988.62/322,814.64
  6. Step 6: Final answer
    x = 247,843.59

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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.