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Finding the Fourth Proportional to 455,481.88, 628,517.26 and 264,457.96

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Solution

The fourth proportional to 455,481.88, 628,517.26 and 264,457.96 is: 364,924.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,481.88 : 628,517.26 = 264,457.96 : x
  2. Step 2: Convert to fraction form
    455,481.88/628,517.26 = 264,457.96/x
  3. Step 3: Cross multiply
    455,481.88x = 628,517.26 × 264,457.96
  4. Step 4: Simplify right side
    455,481.88x = 166,216,392,404.39
  5. Step 5: Solve for x
    x = 166,216,392,404.39/455,481.88
  6. Step 6: Final answer
    x = 364,924.27

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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.