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Finding the Fourth Proportional to 339,169.30, 508,764.78 and 170,597.57

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Solution

The fourth proportional to 339,169.30, 508,764.78 and 170,597.57 is: 255,901.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,169.30 : 508,764.78 = 170,597.57 : x
  2. Step 2: Convert to fraction form
    339,169.30/508,764.78 = 170,597.57/x
  3. Step 3: Cross multiply
    339,169.30x = 508,764.78 × 170,597.57
  4. Step 4: Simplify right side
    339,169.30x = 86,794,032,625.76
  5. Step 5: Solve for x
    x = 86,794,032,625.76/339,169.30
  6. Step 6: Final answer
    x = 255,901.80

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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.