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Finding the Fourth Proportional to 347,127.44, 479,137.71 and 201,967.37

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Solution

The fourth proportional to 347,127.44, 479,137.71 and 201,967.37 is: 278,774.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,127.44 : 479,137.71 = 201,967.37 : x
  2. Step 2: Convert to fraction form
    347,127.44/479,137.71 = 201,967.37/x
  3. Step 3: Cross multiply
    347,127.44x = 479,137.71 × 201,967.37
  4. Step 4: Simplify right side
    347,127.44x = 96,770,183,156.52
  5. Step 5: Solve for x
    x = 96,770,183,156.52/347,127.44
  6. Step 6: Final answer
    x = 278,774.23

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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.