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Finding the Fourth Proportional to 361,546.83, 498,938.31 and 200,404.62

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Solution

The fourth proportional to 361,546.83, 498,938.31 and 200,404.62 is: 276,560.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,546.83 : 498,938.31 = 200,404.62 : x
  2. Step 2: Convert to fraction form
    361,546.83/498,938.31 = 200,404.62/x
  3. Step 3: Cross multiply
    361,546.83x = 498,938.31 × 200,404.62
  4. Step 4: Simplify right side
    361,546.83x = 99,989,542,418.99
  5. Step 5: Solve for x
    x = 99,989,542,418.99/361,546.83
  6. Step 6: Final answer
    x = 276,560.42

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1.5x scale

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.