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Finding the Fourth Proportional to 449,961.84, 675,992.52 and 263,104.56

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Solution

The fourth proportional to 449,961.84, 675,992.52 and 263,104.56 is: 395,270.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,961.84 : 675,992.52 = 263,104.56 : x
  2. Step 2: Convert to fraction form
    449,961.84/675,992.52 = 263,104.56/x
  3. Step 3: Cross multiply
    449,961.84x = 675,992.52 × 263,104.56
  4. Step 4: Simplify right side
    449,961.84x = 177,856,714,537.89
  5. Step 5: Solve for x
    x = 177,856,714,537.89/449,961.84
  6. Step 6: Final answer
    x = 395,270.66

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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.