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Finding the Fourth Proportional to 701,696.68, 968,340.82 and 379,406.56

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Solution

The fourth proportional to 701,696.68, 968,340.82 and 379,406.56 is: 523,580.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,696.68 : 968,340.82 = 379,406.56 : x
  2. Step 2: Convert to fraction form
    701,696.68/968,340.82 = 379,406.56/x
  3. Step 3: Cross multiply
    701,696.68x = 968,340.82 × 379,406.56
  4. Step 4: Simplify right side
    701,696.68x = 367,394,859,423.78
  5. Step 5: Solve for x
    x = 367,394,859,423.78/701,696.68
  6. Step 6: Final answer
    x = 523,580.73

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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.