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Finding the Fourth Proportional to 442,843.48, 610,971.66 and 268,469.92

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Solution

The fourth proportional to 442,843.48, 610,971.66 and 268,469.92 is: 370,396.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,843.48 : 610,971.66 = 268,469.92 : x
  2. Step 2: Convert to fraction form
    442,843.48/610,971.66 = 268,469.92/x
  3. Step 3: Cross multiply
    442,843.48x = 610,971.66 × 268,469.92
  4. Step 4: Simplify right side
    442,843.48x = 164,027,512,682.47
  5. Step 5: Solve for x
    x = 164,027,512,682.47/442,843.48
  6. Step 6: Final answer
    x = 370,396.13

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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.