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Finding the Fourth Proportional to 701,760.48, 968,428.68 and 379,469.76

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Solution

The fourth proportional to 701,760.48, 968,428.68 and 379,469.76 is: 523,667.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,760.48 : 968,428.68 = 379,469.76 : x
  2. Step 2: Convert to fraction form
    701,760.48/968,428.68 = 379,469.76/x
  3. Step 3: Cross multiply
    701,760.48x = 968,428.68 × 379,469.76
  4. Step 4: Simplify right side
    701,760.48x = 367,489,398,776.72
  5. Step 5: Solve for x
    x = 367,489,398,776.72/701,760.48
  6. Step 6: Final answer
    x = 523,667.85

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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.