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Finding the Fourth Proportional to 347,996.48, 522,029.28 and 111,279.68

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Solution

The fourth proportional to 347,996.48, 522,029.28 and 111,279.68 is: 166,930.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,996.48 : 522,029.28 = 111,279.68 : x
  2. Step 2: Convert to fraction form
    347,996.48/522,029.28 = 111,279.68/x
  3. Step 3: Cross multiply
    347,996.48x = 522,029.28 × 111,279.68
  4. Step 4: Simplify right side
    347,996.48x = 58,091,251,229.03
  5. Step 5: Solve for x
    x = 58,091,251,229.03/347,996.48
  6. Step 6: Final answer
    x = 166,930.57

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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.