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Finding the Fourth Proportional to 328,076.43, 452,745.47 and 177,173.43

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Solution

The fourth proportional to 328,076.43, 452,745.47 and 177,173.43 is: 244,499.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,076.43 : 452,745.47 = 177,173.43 : x
  2. Step 2: Convert to fraction form
    328,076.43/452,745.47 = 177,173.43/x
  3. Step 3: Cross multiply
    328,076.43x = 452,745.47 × 177,173.43
  4. Step 4: Simplify right side
    328,076.43x = 80,214,467,836.86
  5. Step 5: Solve for x
    x = 80,214,467,836.86/328,076.43
  6. Step 6: Final answer
    x = 244,499.33

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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.