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Finding the Fourth Proportional to 539,414.40, 809,996.40 and 362,704.80

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Solution

The fourth proportional to 539,414.40, 809,996.40 and 362,704.80 is: 544,645.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,414.40 : 809,996.40 = 362,704.80 : x
  2. Step 2: Convert to fraction form
    539,414.40/809,996.40 = 362,704.80/x
  3. Step 3: Cross multiply
    539,414.40x = 809,996.40 × 362,704.80
  4. Step 4: Simplify right side
    539,414.40x = 293,789,582,262.72
  5. Step 5: Solve for x
    x = 293,789,582,262.72/539,414.40
  6. Step 6: Final answer
    x = 544,645.42

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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.