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Finding the Fourth Proportional to 320,687.64, 481,197.46 and 232,667.64

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Solution

The fourth proportional to 320,687.64, 481,197.46 and 232,667.64 is: 349,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,687.64 : 481,197.46 = 232,667.64 : x
  2. Step 2: Convert to fraction form
    320,687.64/481,197.46 = 232,667.64/x
  3. Step 3: Cross multiply
    320,687.64x = 481,197.46 × 232,667.64
  4. Step 4: Simplify right side
    320,687.64x = 111,959,077,392.19
  5. Step 5: Solve for x
    x = 111,959,077,392.19/320,687.64
  6. Step 6: Final answer
    x = 349,121.90

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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.