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Finding the Fourth Proportional to 351,296.28, 527,028.26 and 114,639.39

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Solution

The fourth proportional to 351,296.28, 527,028.26 and 114,639.39 is: 171,986.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,296.28 : 527,028.26 = 114,639.39 : x
  2. Step 2: Convert to fraction form
    351,296.28/527,028.26 = 114,639.39/x
  3. Step 3: Cross multiply
    351,296.28x = 527,028.26 × 114,639.39
  4. Step 4: Simplify right side
    351,296.28x = 60,418,197,665.96
  5. Step 5: Solve for x
    x = 60,418,197,665.96/351,296.28
  6. Step 6: Final answer
    x = 171,986.44

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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.