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Finding the Fourth Proportional to 432,861.66, 597,418.79 and 271,739.90

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Solution

The fourth proportional to 432,861.66, 597,418.79 and 271,739.90 is: 375,044.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,861.66 : 597,418.79 = 271,739.90 : x
  2. Step 2: Convert to fraction form
    432,861.66/597,418.79 = 271,739.90/x
  3. Step 3: Cross multiply
    432,861.66x = 597,418.79 × 271,739.90
  4. Step 4: Simplify right side
    432,861.66x = 162,342,517,906.93
  5. Step 5: Solve for x
    x = 162,342,517,906.93/432,861.66
  6. Step 6: Final answer
    x = 375,044.81

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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.