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Finding the Fourth Proportional to 396,530.60, 593,893.04 and 310,605.03

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Solution

The fourth proportional to 396,530.60, 593,893.04 and 310,605.03 is: 465,200.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,530.60 : 593,893.04 = 310,605.03 : x
  2. Step 2: Convert to fraction form
    396,530.60/593,893.04 = 310,605.03/x
  3. Step 3: Cross multiply
    396,530.60x = 593,893.04 × 310,605.03
  4. Step 4: Simplify right side
    396,530.60x = 184,466,163,952.97
  5. Step 5: Solve for x
    x = 184,466,163,952.97/396,530.60
  6. Step 6: Final answer
    x = 465,200.33

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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.