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Finding the Fourth Proportional to 321,863.96, 444,069.61 and 185,879.95

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Solution

The fourth proportional to 321,863.96, 444,069.61 and 185,879.95 is: 256,455.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,863.96 : 444,069.61 = 185,879.95 : x
  2. Step 2: Convert to fraction form
    321,863.96/444,069.61 = 185,879.95/x
  3. Step 3: Cross multiply
    321,863.96x = 444,069.61 × 185,879.95
  4. Step 4: Simplify right side
    321,863.96x = 82,543,636,903.32
  5. Step 5: Solve for x
    x = 82,543,636,903.32/321,863.96
  6. Step 6: Final answer
    x = 256,455.05

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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.