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Finding the Fourth Proportional to 293,791.05, 440,725.79 and 116,256.54

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Solution

The fourth proportional to 293,791.05, 440,725.79 and 116,256.54 is: 174,400.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,791.05 : 440,725.79 = 116,256.54 : x
  2. Step 2: Convert to fraction form
    293,791.05/440,725.79 = 116,256.54/x
  3. Step 3: Cross multiply
    293,791.05x = 440,725.79 × 116,256.54
  4. Step 4: Simplify right side
    293,791.05x = 51,237,256,149.42
  5. Step 5: Solve for x
    x = 51,237,256,149.42/293,791.05
  6. Step 6: Final answer
    x = 174,400.33

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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.