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Finding the Fourth Proportional to 373,869.01, 515,936.60 and 204,103.13

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Solution

The fourth proportional to 373,869.01, 515,936.60 and 204,103.13 is: 281,660.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,869.01 : 515,936.60 = 204,103.13 : x
  2. Step 2: Convert to fraction form
    373,869.01/515,936.60 = 204,103.13/x
  3. Step 3: Cross multiply
    373,869.01x = 515,936.60 × 204,103.13
  4. Step 4: Simplify right side
    373,869.01x = 105,304,275,210.88
  5. Step 5: Solve for x
    x = 105,304,275,210.88/373,869.01
  6. Step 6: Final answer
    x = 281,660.88

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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.