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Finding the Fourth Proportional to 365,797.97, 504,973.79 and 275,188.50

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Solution

The fourth proportional to 365,797.97, 504,973.79 and 275,188.50 is: 379,889.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,797.97 : 504,973.79 = 275,188.50 : x
  2. Step 2: Convert to fraction form
    365,797.97/504,973.79 = 275,188.50/x
  3. Step 3: Cross multiply
    365,797.97x = 504,973.79 × 275,188.50
  4. Step 4: Simplify right side
    365,797.97x = 138,962,979,809.42
  5. Step 5: Solve for x
    x = 138,962,979,809.42/365,797.97
  6. Step 6: Final answer
    x = 379,889.97

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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.