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Finding the Fourth Proportional to 701,891.38, 968,610.76 and 379,601.46

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Solution

The fourth proportional to 701,891.38, 968,610.76 and 379,601.46 is: 523,850.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,891.38 : 968,610.76 = 379,601.46 : x
  2. Step 2: Convert to fraction form
    701,891.38/968,610.76 = 379,601.46/x
  3. Step 3: Cross multiply
    701,891.38x = 968,610.76 × 379,601.46
  4. Step 4: Simplify right side
    701,891.38x = 367,686,060,442.92
  5. Step 5: Solve for x
    x = 367,686,060,442.92/701,891.38
  6. Step 6: Final answer
    x = 523,850.38

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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.