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Finding the Fourth Proportional to 339,033.77, 508,620.59 and 111,346.55

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Solution

The fourth proportional to 339,033.77, 508,620.59 and 111,346.55 is: 167,042.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,033.77 : 508,620.59 = 111,346.55 : x
  2. Step 2: Convert to fraction form
    339,033.77/508,620.59 = 111,346.55/x
  3. Step 3: Cross multiply
    339,033.77x = 508,620.59 × 111,346.55
  4. Step 4: Simplify right side
    339,033.77x = 56,633,144,855.63
  5. Step 5: Solve for x
    x = 56,633,144,855.63/339,033.77
  6. Step 6: Final answer
    x = 167,042.79

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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.