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Finding the Fourth Proportional to 373,858.50, 515,926.89 and 204,094.38

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Solution

The fourth proportional to 373,858.50, 515,926.89 and 204,094.38 is: 281,651.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,858.50 : 515,926.89 = 204,094.38 : x
  2. Step 2: Convert to fraction form
    373,858.50/515,926.89 = 204,094.38/x
  3. Step 3: Cross multiply
    373,858.50x = 515,926.89 × 204,094.38
  4. Step 4: Simplify right side
    373,858.50x = 105,297,778,739.88
  5. Step 5: Solve for x
    x = 105,297,778,739.88/373,858.50
  6. Step 6: Final answer
    x = 281,651.42

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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.