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Finding the Fourth Proportional to 373,902.56, 515,906.70 and 237,887

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Solution

The fourth proportional to 373,902.56, 515,906.70 and 237,887 is: 328,233.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,902.56 : 515,906.70 = 237,887 : x
  2. Step 2: Convert to fraction form
    373,902.56/515,906.70 = 237,887/x
  3. Step 3: Cross multiply
    373,902.56x = 515,906.70 × 237,887
  4. Step 4: Simplify right side
    373,902.56x = 122,727,497,142.90
  5. Step 5: Solve for x
    x = 122,727,497,142.90/373,902.56
  6. Step 6: Final answer
    x = 328,233.90

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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.