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Finding the Fourth Proportional to 339,598.17, 468,626.39 and 203,564.05

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Solution

The fourth proportional to 339,598.17, 468,626.39 and 203,564.05 is: 280,906.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,598.17 : 468,626.39 = 203,564.05 : x
  2. Step 2: Convert to fraction form
    339,598.17/468,626.39 = 203,564.05/x
  3. Step 3: Cross multiply
    339,598.17x = 468,626.39 × 203,564.05
  4. Step 4: Simplify right side
    339,598.17x = 95,395,485,885.28
  5. Step 5: Solve for x
    x = 95,395,485,885.28/339,598.17
  6. Step 6: Final answer
    x = 280,906.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.