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Finding the Fourth Proportional to 701,744.34, 968,406.50 and 379,453.68

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Solution

The fourth proportional to 701,744.34, 968,406.50 and 379,453.68 is: 523,645.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,744.34 : 968,406.50 = 379,453.68 : x
  2. Step 2: Convert to fraction form
    701,744.34/968,406.50 = 379,453.68/x
  3. Step 3: Cross multiply
    701,744.34x = 968,406.50 × 379,453.68
  4. Step 4: Simplify right side
    701,744.34x = 367,465,410,160.92
  5. Step 5: Solve for x
    x = 367,465,410,160.92/701,744.34
  6. Step 6: Final answer
    x = 523,645.71

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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.