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Finding the Fourth Proportional to 344,255.87, 475,073.15 and 191,289.58

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Solution

The fourth proportional to 344,255.87, 475,073.15 and 191,289.58 is: 263,979.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,255.87 : 475,073.15 = 191,289.58 : x
  2. Step 2: Convert to fraction form
    344,255.87/475,073.15 = 191,289.58/x
  3. Step 3: Cross multiply
    344,255.87x = 475,073.15 × 191,289.58
  4. Step 4: Simplify right side
    344,255.87x = 90,876,541,188.65
  5. Step 5: Solve for x
    x = 90,876,541,188.65/344,255.87
  6. Step 6: Final answer
    x = 263,979.64

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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.