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Finding the Fourth Proportional to 324,355.97, 486,326.06 and 134,947.73

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Solution

The fourth proportional to 324,355.97, 486,326.06 and 134,947.73 is: 202,335.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,355.97 : 486,326.06 = 134,947.73 : x
  2. Step 2: Convert to fraction form
    324,355.97/486,326.06 = 134,947.73/x
  3. Step 3: Cross multiply
    324,355.97x = 486,326.06 × 134,947.73
  4. Step 4: Simplify right side
    324,355.97x = 65,628,598,883.97
  5. Step 5: Solve for x
    x = 65,628,598,883.97/324,355.97
  6. Step 6: Final answer
    x = 202,335.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.