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Finding the Fourth Proportional to 339,171.55, 508,768.16 and 170,599.82

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Solution

The fourth proportional to 339,171.55, 508,768.16 and 170,599.82 is: 255,905.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,171.55 : 508,768.16 = 170,599.82 : x
  2. Step 2: Convert to fraction form
    339,171.55/508,768.16 = 170,599.82/x
  3. Step 3: Cross multiply
    339,171.55x = 508,768.16 × 170,599.82
  4. Step 4: Simplify right side
    339,171.55x = 86,795,753,120.89
  5. Step 5: Solve for x
    x = 86,795,753,120.89/339,171.55
  6. Step 6: Final answer
    x = 255,905.17

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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.