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Finding the Fourth Proportional to 373,463.82, 515,387.07 and 203,704.02

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Solution

The fourth proportional to 373,463.82, 515,387.07 and 203,704.02 is: 281,115.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,463.82 : 515,387.07 = 203,704.02 : x
  2. Step 2: Convert to fraction form
    373,463.82/515,387.07 = 203,704.02/x
  3. Step 3: Cross multiply
    373,463.82x = 515,387.07 × 203,704.02
  4. Step 4: Simplify right side
    373,463.82x = 104,986,418,015.02
  5. Step 5: Solve for x
    x = 104,986,418,015.02/373,463.82
  6. Step 6: Final answer
    x = 281,115.36

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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.