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Finding the Fourth Proportional to 367,638.90, 551,930.62 and 283,452.54

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Solution

The fourth proportional to 367,638.90, 551,930.62 and 283,452.54 is: 425,542.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,638.90 : 551,930.62 = 283,452.54 : x
  2. Step 2: Convert to fraction form
    367,638.90/551,930.62 = 283,452.54/x
  3. Step 3: Cross multiply
    367,638.90x = 551,930.62 × 283,452.54
  4. Step 4: Simplify right side
    367,638.90x = 156,446,135,434.14
  5. Step 5: Solve for x
    x = 156,446,135,434.14/367,638.90
  6. Step 6: Final answer
    x = 425,542.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.