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Finding the Fourth Proportional to 339,965.20, 510,093.60 and 173,753.20

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Solution

The fourth proportional to 339,965.20, 510,093.60 and 173,753.20 is: 260,704.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,965.20 : 510,093.60 = 173,753.20 : x
  2. Step 2: Convert to fraction form
    339,965.20/510,093.60 = 173,753.20/x
  3. Step 3: Cross multiply
    339,965.20x = 510,093.60 × 173,753.20
  4. Step 4: Simplify right side
    339,965.20x = 88,630,395,299.52
  5. Step 5: Solve for x
    x = 88,630,395,299.52/339,965.20
  6. Step 6: Final answer
    x = 260,704.32

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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.