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Finding the Fourth Proportional to 363,463.20, 544,538.70 and 339,843.60

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Solution

The fourth proportional to 363,463.20, 544,538.70 and 339,843.60 is: 509,151.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,463.20 : 544,538.70 = 339,843.60 : x
  2. Step 2: Convert to fraction form
    363,463.20/544,538.70 = 339,843.60/x
  3. Step 3: Cross multiply
    363,463.20x = 544,538.70 × 339,843.60
  4. Step 4: Simplify right side
    363,463.20x = 185,057,992,147.32
  5. Step 5: Solve for x
    x = 185,057,992,147.32/363,463.20
  6. Step 6: Final answer
    x = 509,151.94

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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.