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Finding the Fourth Proportional to 501,049.84, 691,447.17 and 271,608.02

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Solution

The fourth proportional to 501,049.84, 691,447.17 and 271,608.02 is: 374,818.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,049.84 : 691,447.17 = 271,608.02 : x
  2. Step 2: Convert to fraction form
    501,049.84/691,447.17 = 271,608.02/x
  3. Step 3: Cross multiply
    501,049.84x = 691,447.17 × 271,608.02
  4. Step 4: Simplify right side
    501,049.84x = 187,802,596,778.30
  5. Step 5: Solve for x
    x = 187,802,596,778.30/501,049.84
  6. Step 6: Final answer
    x = 374,818.20

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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.