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Finding the Fourth Proportional to 396,801.60, 594,327.60 and 344,313.60

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Solution

The fourth proportional to 396,801.60, 594,327.60 and 344,313.60 is: 515,711.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,801.60 : 594,327.60 = 344,313.60 : x
  2. Step 2: Convert to fraction form
    396,801.60/594,327.60 = 344,313.60/x
  3. Step 3: Cross multiply
    396,801.60x = 594,327.60 × 344,313.60
  4. Step 4: Simplify right side
    396,801.60x = 204,635,075,535.36
  5. Step 5: Solve for x
    x = 204,635,075,535.36/396,801.60
  6. Step 6: Final answer
    x = 515,711.32

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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.