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Finding the Fourth Proportional to 299,469.64, 413,454.64 and 190,635.41

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Solution

The fourth proportional to 299,469.64, 413,454.64 and 190,635.41 is: 263,195.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,469.64 : 413,454.64 = 190,635.41 : x
  2. Step 2: Convert to fraction form
    299,469.64/413,454.64 = 190,635.41/x
  3. Step 3: Cross multiply
    299,469.64x = 413,454.64 × 190,635.41
  4. Step 4: Simplify right side
    299,469.64x = 78,819,094,812.80
  5. Step 5: Solve for x
    x = 78,819,094,812.80/299,469.64
  6. Step 6: Final answer
    x = 263,195.61

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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.