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Finding the Fourth Proportional to 449,954.74, 621,093.90 and 259,044.22

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Solution

The fourth proportional to 449,954.74, 621,093.90 and 259,044.22 is: 357,571.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,954.74 : 621,093.90 = 259,044.22 : x
  2. Step 2: Convert to fraction form
    449,954.74/621,093.90 = 259,044.22/x
  3. Step 3: Cross multiply
    449,954.74x = 621,093.90 × 259,044.22
  4. Step 4: Simplify right side
    449,954.74x = 160,890,784,872.26
  5. Step 5: Solve for x
    x = 160,890,784,872.26/449,954.74
  6. Step 6: Final answer
    x = 357,571.04

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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.