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Finding the Fourth Proportional to 339,230.80, 508,846.20 and 102,548.80

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Solution

The fourth proportional to 339,230.80, 508,846.20 and 102,548.80 is: 153,823.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,230.80 : 508,846.20 = 102,548.80 : x
  2. Step 2: Convert to fraction form
    339,230.80/508,846.20 = 102,548.80/x
  3. Step 3: Cross multiply
    339,230.80x = 508,846.20 × 102,548.80
  4. Step 4: Simplify right side
    339,230.80x = 52,181,567,194.56
  5. Step 5: Solve for x
    x = 52,181,567,194.56/339,230.80
  6. Step 6: Final answer
    x = 153,823.20

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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.