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Finding the Fourth Proportional to 270,604.19, 373,428.17 and 149,745.41

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Solution

The fourth proportional to 270,604.19, 373,428.17 and 149,745.41 is: 206,645.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,604.19 : 373,428.17 = 149,745.41 : x
  2. Step 2: Convert to fraction form
    270,604.19/373,428.17 = 149,745.41/x
  3. Step 3: Cross multiply
    270,604.19x = 373,428.17 × 149,745.41
  4. Step 4: Simplify right side
    270,604.19x = 55,919,154,610.55
  5. Step 5: Solve for x
    x = 55,919,154,610.55/270,604.19
  6. Step 6: Final answer
    x = 206,645.56

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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.