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Finding the Fourth Proportional to 379,023.52, 568,414.32 and 154,383.52

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Solution

The fourth proportional to 379,023.52, 568,414.32 and 154,383.52 is: 231,526.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,023.52 : 568,414.32 = 154,383.52 : x
  2. Step 2: Convert to fraction form
    379,023.52/568,414.32 = 154,383.52/x
  3. Step 3: Cross multiply
    379,023.52x = 568,414.32 × 154,383.52
  4. Step 4: Simplify right side
    379,023.52x = 87,753,803,540.01
  5. Step 5: Solve for x
    x = 87,753,803,540.01/379,023.52
  6. Step 6: Final answer
    x = 231,526.01

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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.