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Finding the Fourth Proportional to 483,791.44, 725,774.90 and 199,324.02

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Solution

The fourth proportional to 483,791.44, 725,774.90 and 199,324.02 is: 299,022.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,791.44 : 725,774.90 = 199,324.02 : x
  2. Step 2: Convert to fraction form
    483,791.44/725,774.90 = 199,324.02/x
  3. Step 3: Cross multiply
    483,791.44x = 725,774.90 × 199,324.02
  4. Step 4: Simplify right side
    483,791.44x = 144,664,370,683.10
  5. Step 5: Solve for x
    x = 144,664,370,683.10/483,791.44
  6. Step 6: Final answer
    x = 299,022.18

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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.