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Finding the Fourth Proportional to 486,733.96, 671,672.82 and 271,873

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Solution

The fourth proportional to 486,733.96, 671,672.82 and 271,873 is: 375,173.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,733.96 : 671,672.82 = 271,873 : x
  2. Step 2: Convert to fraction form
    486,733.96/671,672.82 = 271,873/x
  3. Step 3: Cross multiply
    486,733.96x = 671,672.82 × 271,873
  4. Step 4: Simplify right side
    486,733.96x = 182,609,704,591.86
  5. Step 5: Solve for x
    x = 182,609,704,591.86/486,733.96
  6. Step 6: Final answer
    x = 375,173.54

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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.