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Finding the Fourth Proportional to 557,793.54, 836,749.74 and 178,578.66

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Solution

The fourth proportional to 557,793.54, 836,749.74 and 178,578.66 is: 267,887.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,793.54 : 836,749.74 = 178,578.66 : x
  2. Step 2: Convert to fraction form
    557,793.54/836,749.74 = 178,578.66/x
  3. Step 3: Cross multiply
    557,793.54x = 836,749.74 × 178,578.66
  4. Step 4: Simplify right side
    557,793.54x = 149,425,647,324.55
  5. Step 5: Solve for x
    x = 149,425,647,324.55/557,793.54
  6. Step 6: Final answer
    x = 267,887.02

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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.