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Finding the Fourth Proportional to 322,656.12, 445,262.13 and 179,414.64

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Solution

The fourth proportional to 322,656.12, 445,262.13 and 179,414.64 is: 247,590.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,656.12 : 445,262.13 = 179,414.64 : x
  2. Step 2: Convert to fraction form
    322,656.12/445,262.13 = 179,414.64/x
  3. Step 3: Cross multiply
    322,656.12x = 445,262.13 × 179,414.64
  4. Step 4: Simplify right side
    322,656.12x = 79,886,544,759.58
  5. Step 5: Solve for x
    x = 79,886,544,759.58/322,656.12
  6. Step 6: Final answer
    x = 247,590.36

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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.