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Finding the Fourth Proportional to 488,924.38, 674,717.22 and 271,148.68

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Solution

The fourth proportional to 488,924.38, 674,717.22 and 271,148.68 is: 374,186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,924.38 : 674,717.22 = 271,148.68 : x
  2. Step 2: Convert to fraction form
    488,924.38/674,717.22 = 271,148.68/x
  3. Step 3: Cross multiply
    488,924.38x = 674,717.22 × 271,148.68
  4. Step 4: Simplify right side
    488,924.38x = 182,948,683,576.27
  5. Step 5: Solve for x
    x = 182,948,683,576.27/488,924.38
  6. Step 6: Final answer
    x = 374,186.05

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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.