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Finding the Fourth Proportional to 479,845.44, 662,208 and 275,962.56

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Solution

The fourth proportional to 479,845.44, 662,208 and 275,962.56 is: 380,840.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,845.44 : 662,208 = 275,962.56 : x
  2. Step 2: Convert to fraction form
    479,845.44/662,208 = 275,962.56/x
  3. Step 3: Cross multiply
    479,845.44x = 662,208 × 275,962.56
  4. Step 4: Simplify right side
    479,845.44x = 182,744,614,932.48
  5. Step 5: Solve for x
    x = 182,744,614,932.48/479,845.44
  6. Step 6: Final answer
    x = 380,840.58

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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.