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Finding the Fourth Proportional to 466,736.31, 644,104.31 and 275,749.25

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Solution

The fourth proportional to 466,736.31, 644,104.31 and 275,749.25 is: 380,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,736.31 : 644,104.31 = 275,749.25 : x
  2. Step 2: Convert to fraction form
    466,736.31/644,104.31 = 275,749.25/x
  3. Step 3: Cross multiply
    466,736.31x = 644,104.31 × 275,749.25
  4. Step 4: Simplify right side
    466,736.31x = 177,611,275,805.00
  5. Step 5: Solve for x
    x = 177,611,275,805.00/466,736.31
  6. Step 6: Final answer
    x = 380,538.80

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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.