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Finding the Fourth Proportional to 355,924.44, 491,174.42 and 192,580.45

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Solution

The fourth proportional to 355,924.44, 491,174.42 and 192,580.45 is: 265,760.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,924.44 : 491,174.42 = 192,580.45 : x
  2. Step 2: Convert to fraction form
    355,924.44/491,174.42 = 192,580.45/x
  3. Step 3: Cross multiply
    355,924.44x = 491,174.42 × 192,580.45
  4. Step 4: Simplify right side
    355,924.44x = 94,590,590,832.09
  5. Step 5: Solve for x
    x = 94,590,590,832.09/355,924.44
  6. Step 6: Final answer
    x = 265,760.31

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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.