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Finding the Fourth Proportional to 367,760.96, 550,613.66 and 198,675.51

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Solution

The fourth proportional to 367,760.96, 550,613.66 and 198,675.51 is: 297,458.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,760.96 : 550,613.66 = 198,675.51 : x
  2. Step 2: Convert to fraction form
    367,760.96/550,613.66 = 198,675.51/x
  3. Step 3: Cross multiply
    367,760.96x = 550,613.66 × 198,675.51
  4. Step 4: Simplify right side
    367,760.96x = 109,393,448,720.09
  5. Step 5: Solve for x
    x = 109,393,448,720.09/367,760.96
  6. Step 6: Final answer
    x = 297,458.03

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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.