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Finding the Fourth Proportional to 322,555.25, 445,141.44 and 179,317.69

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Solution

The fourth proportional to 322,555.25, 445,141.44 and 179,317.69 is: 247,466.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,555.25 : 445,141.44 = 179,317.69 : x
  2. Step 2: Convert to fraction form
    322,555.25/445,141.44 = 179,317.69/x
  3. Step 3: Cross multiply
    322,555.25x = 445,141.44 × 179,317.69
  4. Step 4: Simplify right side
    322,555.25x = 79,821,733,631.22
  5. Step 5: Solve for x
    x = 79,821,733,631.22/322,555.25
  6. Step 6: Final answer
    x = 247,466.85

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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.