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Finding the Fourth Proportional to 339,201.08, 508,912.19 and 170,634.41

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Solution

The fourth proportional to 339,201.08, 508,912.19 and 170,634.41 is: 256,007.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,201.08 : 508,912.19 = 170,634.41 : x
  2. Step 2: Convert to fraction form
    339,201.08/508,912.19 = 170,634.41/x
  3. Step 3: Cross multiply
    339,201.08x = 508,912.19 × 170,634.41
  4. Step 4: Simplify right side
    339,201.08x = 86,837,931,282.46
  5. Step 5: Solve for x
    x = 86,837,931,282.46/339,201.08
  6. Step 6: Final answer
    x = 256,007.24

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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.