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Finding the Fourth Proportional to 328,170, 452,874.84 and 177,267

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Solution

The fourth proportional to 328,170, 452,874.84 and 177,267 is: 244,628.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,170 : 452,874.84 = 177,267 : x
  2. Step 2: Convert to fraction form
    328,170/452,874.84 = 177,267/x
  3. Step 3: Cross multiply
    328,170x = 452,874.84 × 177,267
  4. Step 4: Simplify right side
    328,170x = 80,279,764,262.28
  5. Step 5: Solve for x
    x = 80,279,764,262.28/328,170
  6. Step 6: Final answer
    x = 244,628.59

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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.