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Finding the Fourth Proportional to 339,273.60, 508,910.40 and 336,163.20

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Solution

The fourth proportional to 339,273.60, 508,910.40 and 336,163.20 is: 504,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,273.60 : 508,910.40 = 336,163.20 : x
  2. Step 2: Convert to fraction form
    339,273.60/508,910.40 = 336,163.20/x
  3. Step 3: Cross multiply
    339,273.60x = 508,910.40 × 336,163.20
  4. Step 4: Simplify right side
    339,273.60x = 171,076,948,577.28
  5. Step 5: Solve for x
    x = 171,076,948,577.28/339,273.60
  6. Step 6: Final answer
    x = 504,244.80

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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.