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Finding the Fourth Proportional to 339,552.60, 508,745.70 and 161,676.60

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Solution

The fourth proportional to 339,552.60, 508,745.70 and 161,676.60 is: 242,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,552.60 : 508,745.70 = 161,676.60 : x
  2. Step 2: Convert to fraction form
    339,552.60/508,745.70 = 161,676.60/x
  3. Step 3: Cross multiply
    339,552.60x = 508,745.70 × 161,676.60
  4. Step 4: Simplify right side
    339,552.60x = 82,252,275,040.62
  5. Step 5: Solve for x
    x = 82,252,275,040.62/339,552.60
  6. Step 6: Final answer
    x = 242,237.21

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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.