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Finding the Fourth Proportional to 218,208.33, 327,257.82 and 154,843.65

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Solution

The fourth proportional to 218,208.33, 327,257.82 and 154,843.65 is: 232,226.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,208.33 : 327,257.82 = 154,843.65 : x
  2. Step 2: Convert to fraction form
    218,208.33/327,257.82 = 154,843.65/x
  3. Step 3: Cross multiply
    218,208.33x = 327,257.82 × 154,843.65
  4. Step 4: Simplify right side
    218,208.33x = 50,673,795,339.84
  5. Step 5: Solve for x
    x = 50,673,795,339.84/218,208.33
  6. Step 6: Final answer
    x = 232,226.68

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1.5x scale

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.