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Finding the Fourth Proportional to 367,453.26, 550,666.08 and 198,609.30

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Solution

The fourth proportional to 367,453.26, 550,666.08 and 198,609.30 is: 297,636.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,453.26 : 550,666.08 = 198,609.30 : x
  2. Step 2: Convert to fraction form
    367,453.26/550,666.08 = 198,609.30/x
  3. Step 3: Cross multiply
    367,453.26x = 550,666.08 × 198,609.30
  4. Step 4: Simplify right side
    367,453.26x = 109,367,404,682.54
  5. Step 5: Solve for x
    x = 109,367,404,682.54/367,453.26
  6. Step 6: Final answer
    x = 297,636.23

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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.