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Finding the Fourth Proportional to 297,673.80, 446,537.34 and 84,443.73

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Solution

The fourth proportional to 297,673.80, 446,537.34 and 84,443.73 is: 126,673.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,673.80 : 446,537.34 = 84,443.73 : x
  2. Step 2: Convert to fraction form
    297,673.80/446,537.34 = 84,443.73/x
  3. Step 3: Cross multiply
    297,673.80x = 446,537.34 × 84,443.73
  4. Step 4: Simplify right side
    297,673.80x = 37,707,278,573.88
  5. Step 5: Solve for x
    x = 37,707,278,573.88/297,673.80
  6. Step 6: Final answer
    x = 126,673.15

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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.