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Finding the Fourth Proportional to 505,736.46, 758,714.04 and 269,044.74

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Solution

The fourth proportional to 505,736.46, 758,714.04 and 269,044.74 is: 403,625.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,736.46 : 758,714.04 = 269,044.74 : x
  2. Step 2: Convert to fraction form
    505,736.46/758,714.04 = 269,044.74/x
  3. Step 3: Cross multiply
    505,736.46x = 758,714.04 × 269,044.74
  4. Step 4: Simplify right side
    505,736.46x = 204,128,021,626.15
  5. Step 5: Solve for x
    x = 204,128,021,626.15/505,736.46
  6. Step 6: Final answer
    x = 403,625.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.