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Finding the Fourth Proportional to 325,660.80, 488,560.92 and 101,016.36

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Solution

The fourth proportional to 325,660.80, 488,560.92 and 101,016.36 is: 151,546.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,660.80 : 488,560.92 = 101,016.36 : x
  2. Step 2: Convert to fraction form
    325,660.80/488,560.92 = 101,016.36/x
  3. Step 3: Cross multiply
    325,660.80x = 488,560.92 × 101,016.36
  4. Step 4: Simplify right side
    325,660.80x = 49,352,645,776.65
  5. Step 5: Solve for x
    x = 49,352,645,776.65/325,660.80
  6. Step 6: Final answer
    x = 151,546.17

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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.