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Finding the Fourth Proportional to 269,889.92, 372,546.24 and 219,501.44

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Solution

The fourth proportional to 269,889.92, 372,546.24 and 219,501.44 is: 302,991.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,889.92 : 372,546.24 = 219,501.44 : x
  2. Step 2: Convert to fraction form
    269,889.92/372,546.24 = 219,501.44/x
  3. Step 3: Cross multiply
    269,889.92x = 372,546.24 × 219,501.44
  4. Step 4: Simplify right side
    269,889.92x = 81,774,436,146.59
  5. Step 5: Solve for x
    x = 81,774,436,146.59/269,889.92
  6. Step 6: Final answer
    x = 302,991.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.