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Finding the Fourth Proportional to 339,367.37, 508,463.05 and 205,968.11

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Solution

The fourth proportional to 339,367.37, 508,463.05 and 205,968.11 is: 308,595.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,367.37 : 508,463.05 = 205,968.11 : x
  2. Step 2: Convert to fraction form
    339,367.37/508,463.05 = 205,968.11/x
  3. Step 3: Cross multiply
    339,367.37x = 508,463.05 × 205,968.11
  4. Step 4: Simplify right side
    339,367.37x = 104,727,173,413.34
  5. Step 5: Solve for x
    x = 104,727,173,413.34/339,367.37
  6. Step 6: Final answer
    x = 308,595.29

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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.