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Finding the Fourth Proportional to 322,982.66, 445,254.16 and 227,192.06

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Solution

The fourth proportional to 322,982.66, 445,254.16 and 227,192.06 is: 313,200.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,982.66 : 445,254.16 = 227,192.06 : x
  2. Step 2: Convert to fraction form
    322,982.66/445,254.16 = 227,192.06/x
  3. Step 3: Cross multiply
    322,982.66x = 445,254.16 × 227,192.06
  4. Step 4: Simplify right side
    322,982.66x = 101,158,209,833.97
  5. Step 5: Solve for x
    x = 101,158,209,833.97/322,982.66
  6. Step 6: Final answer
    x = 313,200.13

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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.