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Finding the Fourth Proportional to 321,863.84, 444,069.32 and 185,879.84

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Solution

The fourth proportional to 321,863.84, 444,069.32 and 185,879.84 is: 256,454.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,863.84 : 444,069.32 = 185,879.84 : x
  2. Step 2: Convert to fraction form
    321,863.84/444,069.32 = 185,879.84/x
  3. Step 3: Cross multiply
    321,863.84x = 444,069.32 × 185,879.84
  4. Step 4: Simplify right side
    321,863.84x = 82,543,534,150.51
  5. Step 5: Solve for x
    x = 82,543,534,150.51/321,863.84
  6. Step 6: Final answer
    x = 256,454.82

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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.