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Finding the Fourth Proportional to 339,067.20, 508,892.40 and 149,818.80

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Solution

The fourth proportional to 339,067.20, 508,892.40 and 149,818.80 is: 224,857.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,067.20 : 508,892.40 = 149,818.80 : x
  2. Step 2: Convert to fraction form
    339,067.20/508,892.40 = 149,818.80/x
  3. Step 3: Cross multiply
    339,067.20x = 508,892.40 × 149,818.80
  4. Step 4: Simplify right side
    339,067.20x = 76,241,648,697.12
  5. Step 5: Solve for x
    x = 76,241,648,697.12/339,067.20
  6. Step 6: Final answer
    x = 224,857.05

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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.