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Finding the Fourth Proportional to 332,676.90, 499,046.78 and 92,806.74

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Solution

The fourth proportional to 332,676.90, 499,046.78 and 92,806.74 is: 139,218.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,676.90 : 499,046.78 = 92,806.74 : x
  2. Step 2: Convert to fraction form
    332,676.90/499,046.78 = 92,806.74/x
  3. Step 3: Cross multiply
    332,676.90x = 499,046.78 × 92,806.74
  4. Step 4: Simplify right side
    332,676.90x = 46,314,904,991.31
  5. Step 5: Solve for x
    x = 46,314,904,991.31/332,676.90
  6. Step 6: Final answer
    x = 139,218.88

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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.