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Finding the Fourth Proportional to 324,638.92, 448,003.92 and 181,405

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Solution

The fourth proportional to 324,638.92, 448,003.92 and 181,405 is: 250,340.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,638.92 : 448,003.92 = 181,405 : x
  2. Step 2: Convert to fraction form
    324,638.92/448,003.92 = 181,405/x
  3. Step 3: Cross multiply
    324,638.92x = 448,003.92 × 181,405
  4. Step 4: Simplify right side
    324,638.92x = 81,270,151,107.60
  5. Step 5: Solve for x
    x = 81,270,151,107.60/324,638.92
  6. Step 6: Final answer
    x = 250,340.14

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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.