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Finding the Fourth Proportional to 701,863.74, 968,574.86 and 379,573.83

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Solution

The fourth proportional to 701,863.74, 968,574.86 and 379,573.83 is: 523,813.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,863.74 : 968,574.86 = 379,573.83 : x
  2. Step 2: Convert to fraction form
    701,863.74/968,574.86 = 379,573.83/x
  3. Step 3: Cross multiply
    701,863.74x = 968,574.86 × 379,573.83
  4. Step 4: Simplify right side
    701,863.74x = 367,645,669,251.91
  5. Step 5: Solve for x
    x = 367,645,669,251.91/701,863.74
  6. Step 6: Final answer
    x = 523,813.45

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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.