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Finding the Fourth Proportional to 365,861.22, 548,081.73 and 269,623.65

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Solution

The fourth proportional to 365,861.22, 548,081.73 and 269,623.65 is: 403,912.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,861.22 : 548,081.73 = 269,623.65 : x
  2. Step 2: Convert to fraction form
    365,861.22/548,081.73 = 269,623.65/x
  3. Step 3: Cross multiply
    365,861.22x = 548,081.73 × 269,623.65
  4. Step 4: Simplify right side
    365,861.22x = 147,775,797,552.00
  5. Step 5: Solve for x
    x = 147,775,797,552.00/365,861.22
  6. Step 6: Final answer
    x = 403,912.17

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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.