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Finding the Fourth Proportional to 701,628.75, 968,247.43 and 379,338.77

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Solution

The fourth proportional to 701,628.75, 968,247.43 and 379,338.77 is: 523,487.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,628.75 : 968,247.43 = 379,338.77 : x
  2. Step 2: Convert to fraction form
    701,628.75/968,247.43 = 379,338.77/x
  3. Step 3: Cross multiply
    701,628.75x = 968,247.43 × 379,338.77
  4. Step 4: Simplify right side
    701,628.75x = 367,293,789,151.86
  5. Step 5: Solve for x
    x = 367,293,789,151.86/701,628.75
  6. Step 6: Final answer
    x = 523,487.37

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1.5x scale

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.