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Finding the Fourth Proportional to 339,984.48, 509,976 and 161,951.52

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Solution

The fourth proportional to 339,984.48, 509,976 and 161,951.52 is: 242,926.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,984.48 : 509,976 = 161,951.52 : x
  2. Step 2: Convert to fraction form
    339,984.48/509,976 = 161,951.52/x
  3. Step 3: Cross multiply
    339,984.48x = 509,976 × 161,951.52
  4. Step 4: Simplify right side
    339,984.48x = 82,591,388,363.52
  5. Step 5: Solve for x
    x = 82,591,388,363.52/339,984.48
  6. Step 6: Final answer
    x = 242,926.94

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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.