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Finding the Fourth Proportional to 361,007.76, 541,190 and 171,351.12

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Solution

The fourth proportional to 361,007.76, 541,190 and 171,351.12 is: 256,874.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,007.76 : 541,190 = 171,351.12 : x
  2. Step 2: Convert to fraction form
    361,007.76/541,190 = 171,351.12/x
  3. Step 3: Cross multiply
    361,007.76x = 541,190 × 171,351.12
  4. Step 4: Simplify right side
    361,007.76x = 92,733,512,632.80
  5. Step 5: Solve for x
    x = 92,733,512,632.80/361,007.76
  6. Step 6: Final answer
    x = 256,874.01

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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.