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Finding the Fourth Proportional to 367,761.96, 550,615.15 and 198,676.51

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Solution

The fourth proportional to 367,761.96, 550,615.15 and 198,676.51 is: 297,459.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,761.96 : 550,615.15 = 198,676.51 : x
  2. Step 2: Convert to fraction form
    367,761.96/550,615.15 = 198,676.51/x
  3. Step 3: Cross multiply
    367,761.96x = 550,615.15 × 198,676.51
  4. Step 4: Simplify right side
    367,761.96x = 109,394,296,355.13
  5. Step 5: Solve for x
    x = 109,394,296,355.13/367,761.96
  6. Step 6: Final answer
    x = 297,459.52

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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.