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Finding the Fourth Proportional to 541,843.48, 812,799.86 and 181,999.78

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Solution

The fourth proportional to 541,843.48, 812,799.86 and 181,999.78 is: 273,011.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,843.48 : 812,799.86 = 181,999.78 : x
  2. Step 2: Convert to fraction form
    541,843.48/812,799.86 = 181,999.78/x
  3. Step 3: Cross multiply
    541,843.48x = 812,799.86 × 181,999.78
  4. Step 4: Simplify right side
    541,843.48x = 147,929,395,704.03
  5. Step 5: Solve for x
    x = 147,929,395,704.03/541,843.48
  6. Step 6: Final answer
    x = 273,011.31

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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.