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Finding the Fourth Proportional to 325,449.25, 486,194.76 and 210,661.97

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Solution

The fourth proportional to 325,449.25, 486,194.76 and 210,661.97 is: 314,711.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,449.25 : 486,194.76 = 210,661.97 : x
  2. Step 2: Convert to fraction form
    325,449.25/486,194.76 = 210,661.97/x
  3. Step 3: Cross multiply
    325,449.25x = 486,194.76 × 210,661.97
  4. Step 4: Simplify right side
    325,449.25x = 102,422,746,249.15
  5. Step 5: Solve for x
    x = 102,422,746,249.15/325,449.25
  6. Step 6: Final answer
    x = 314,711.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.