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Finding the Fourth Proportional to 347,105.44, 520,546.51 and 110,392.66

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Solution

The fourth proportional to 347,105.44, 520,546.51 and 110,392.66 is: 165,553.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,105.44 : 520,546.51 = 110,392.66 : x
  2. Step 2: Convert to fraction form
    347,105.44/520,546.51 = 110,392.66/x
  3. Step 3: Cross multiply
    347,105.44x = 520,546.51 × 110,392.66
  4. Step 4: Simplify right side
    347,105.44x = 57,464,513,892.62
  5. Step 5: Solve for x
    x = 57,464,513,892.62/347,105.44
  6. Step 6: Final answer
    x = 165,553.48

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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.