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Finding the Fourth Proportional to 384,452.48, 576,277.44 and 131,658.56

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Solution

The fourth proportional to 384,452.48, 576,277.44 and 131,658.56 is: 197,350.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,452.48 : 576,277.44 = 131,658.56 : x
  2. Step 2: Convert to fraction form
    384,452.48/576,277.44 = 131,658.56/x
  3. Step 3: Cross multiply
    384,452.48x = 576,277.44 × 131,658.56
  4. Step 4: Simplify right side
    384,452.48x = 75,871,857,910.89
  5. Step 5: Solve for x
    x = 75,871,857,910.89/384,452.48
  6. Step 6: Final answer
    x = 197,350.42

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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.