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Finding the Fourth Proportional to 321,863.14, 444,068.49 and 185,879.13

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Solution

The fourth proportional to 321,863.14, 444,068.49 and 185,879.13 is: 256,453.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,863.14 : 444,068.49 = 185,879.13 : x
  2. Step 2: Convert to fraction form
    321,863.14/444,068.49 = 185,879.13/x
  3. Step 3: Cross multiply
    321,863.14x = 444,068.49 × 185,879.13
  4. Step 4: Simplify right side
    321,863.14x = 82,543,064,581.61
  5. Step 5: Solve for x
    x = 82,543,064,581.61/321,863.14
  6. Step 6: Final answer
    x = 256,453.92

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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.