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Finding the Fourth Proportional to 701,691.66, 968,333.94 and 379,401.57

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Solution

The fourth proportional to 701,691.66, 968,333.94 and 379,401.57 is: 523,573.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,691.66 : 968,333.94 = 379,401.57 : x
  2. Step 2: Convert to fraction form
    701,691.66/968,333.94 = 379,401.57/x
  3. Step 3: Cross multiply
    701,691.66x = 968,333.94 × 379,401.57
  4. Step 4: Simplify right side
    701,691.66x = 367,387,417,120.29
  5. Step 5: Solve for x
    x = 367,387,417,120.29/701,691.66
  6. Step 6: Final answer
    x = 523,573.87

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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.