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Finding the Fourth Proportional to 339,584.80, 509,247.60 and 102,848.80

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Solution

The fourth proportional to 339,584.80, 509,247.60 and 102,848.80 is: 154,233.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,584.80 : 509,247.60 = 102,848.80 : x
  2. Step 2: Convert to fraction form
    339,584.80/509,247.60 = 102,848.80/x
  3. Step 3: Cross multiply
    339,584.80x = 509,247.60 × 102,848.80
  4. Step 4: Simplify right side
    339,584.80x = 52,375,504,562.88
  5. Step 5: Solve for x
    x = 52,375,504,562.88/339,584.80
  6. Step 6: Final answer
    x = 154,233.95

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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.