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Finding the Fourth Proportional to 339,086.70, 467,762.94 and 201,185.28

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Solution

The fourth proportional to 339,086.70, 467,762.94 and 201,185.28 is: 277,530.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,086.70 : 467,762.94 = 201,185.28 : x
  2. Step 2: Convert to fraction form
    339,086.70/467,762.94 = 201,185.28/x
  3. Step 3: Cross multiply
    339,086.70x = 467,762.94 × 201,185.28
  4. Step 4: Simplify right side
    339,086.70x = 94,107,018,057.52
  5. Step 5: Solve for x
    x = 94,107,018,057.52/339,086.70
  6. Step 6: Final answer
    x = 277,530.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.