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Finding the Fourth Proportional to 567,469.86, 852,168.94 and 379,140.44

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Solution

The fourth proportional to 567,469.86, 852,168.94 and 379,140.44 is: 569,354.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,469.86 : 852,168.94 = 379,140.44 : x
  2. Step 2: Convert to fraction form
    567,469.86/852,168.94 = 379,140.44/x
  3. Step 3: Cross multiply
    567,469.86x = 852,168.94 × 379,140.44
  4. Step 4: Simplify right side
    567,469.86x = 323,091,706,865.93
  5. Step 5: Solve for x
    x = 323,091,706,865.93/567,469.86
  6. Step 6: Final answer
    x = 569,354.83

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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.