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Finding the Fourth Proportional to 497,951.26, 687,182.07 and 271,604.86

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Solution

The fourth proportional to 497,951.26, 687,182.07 and 271,604.86 is: 374,819.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,951.26 : 687,182.07 = 271,604.86 : x
  2. Step 2: Convert to fraction form
    497,951.26/687,182.07 = 271,604.86/x
  3. Step 3: Cross multiply
    497,951.26x = 687,182.07 × 271,604.86
  4. Step 4: Simplify right side
    497,951.26x = 186,641,989,916.86
  5. Step 5: Solve for x
    x = 186,641,989,916.86/497,951.26
  6. Step 6: Final answer
    x = 374,819.80

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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.