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Finding the Fourth Proportional to 336,995.82, 505,493.73 and 231,494.94

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Solution

The fourth proportional to 336,995.82, 505,493.73 and 231,494.94 is: 347,242.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,995.82 : 505,493.73 = 231,494.94 : x
  2. Step 2: Convert to fraction form
    336,995.82/505,493.73 = 231,494.94/x
  3. Step 3: Cross multiply
    336,995.82x = 505,493.73 × 231,494.94
  4. Step 4: Simplify right side
    336,995.82x = 117,019,240,696.73
  5. Step 5: Solve for x
    x = 117,019,240,696.73/336,995.82
  6. Step 6: Final answer
    x = 347,242.41

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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.