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Finding the Fourth Proportional to 505,704.48, 758,667.51 and 190,161.39

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Solution

The fourth proportional to 505,704.48, 758,667.51 and 190,161.39 is: 285,283.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,704.48 : 758,667.51 = 190,161.39 : x
  2. Step 2: Convert to fraction form
    505,704.48/758,667.51 = 190,161.39/x
  3. Step 3: Cross multiply
    505,704.48x = 758,667.51 × 190,161.39
  4. Step 4: Simplify right side
    505,704.48x = 144,269,268,249.44
  5. Step 5: Solve for x
    x = 144,269,268,249.44/505,704.48
  6. Step 6: Final answer
    x = 285,283.75

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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.