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Finding the Fourth Proportional to 352,198.92, 528,068.60 and 231,891.70

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Solution

The fourth proportional to 352,198.92, 528,068.60 and 231,891.70 is: 347,686.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,198.92 : 528,068.60 = 231,891.70 : x
  2. Step 2: Convert to fraction form
    352,198.92/528,068.60 = 231,891.70/x
  3. Step 3: Cross multiply
    352,198.92x = 528,068.60 × 231,891.70
  4. Step 4: Simplify right side
    352,198.92x = 122,454,725,370.62
  5. Step 5: Solve for x
    x = 122,454,725,370.62/352,198.92
  6. Step 6: Final answer
    x = 347,686.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.