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Finding the Fourth Proportional to 664,191.78, 996,213.86 and 237,710.39

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Solution

The fourth proportional to 664,191.78, 996,213.86 and 237,710.39 is: 356,539.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,191.78 : 996,213.86 = 237,710.39 : x
  2. Step 2: Convert to fraction form
    664,191.78/996,213.86 = 237,710.39/x
  3. Step 3: Cross multiply
    664,191.78x = 996,213.86 × 237,710.39
  4. Step 4: Simplify right side
    664,191.78x = 236,810,379,014.38
  5. Step 5: Solve for x
    x = 236,810,379,014.38/664,191.78
  6. Step 6: Final answer
    x = 356,539.16

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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.