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Finding the Fourth Proportional to 363,464.20, 544,540.20 and 339,844.60

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Solution

The fourth proportional to 363,464.20, 544,540.20 and 339,844.60 is: 509,153.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,464.20 : 544,540.20 = 339,844.60 : x
  2. Step 2: Convert to fraction form
    363,464.20/544,540.20 = 339,844.60/x
  3. Step 3: Cross multiply
    363,464.20x = 544,540.20 × 339,844.60
  4. Step 4: Simplify right side
    363,464.20x = 185,059,046,452.92
  5. Step 5: Solve for x
    x = 185,059,046,452.92/363,464.20
  6. Step 6: Final answer
    x = 509,153.44

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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.