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Finding the Fourth Proportional to 352,432.54, 486,241.14 and 199,455.54

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Solution

The fourth proportional to 352,432.54, 486,241.14 and 199,455.54 is: 275,183.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,432.54 : 486,241.14 = 199,455.54 : x
  2. Step 2: Convert to fraction form
    352,432.54/486,241.14 = 199,455.54/x
  3. Step 3: Cross multiply
    352,432.54x = 486,241.14 × 199,455.54
  4. Step 4: Simplify right side
    352,432.54x = 96,983,489,148.92
  5. Step 5: Solve for x
    x = 96,983,489,148.92/352,432.54
  6. Step 6: Final answer
    x = 275,183.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.