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Finding the Fourth Proportional to 292,753.28, 404,007.36 and 177,992.48

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Solution

The fourth proportional to 292,753.28, 404,007.36 and 177,992.48 is: 245,634.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,753.28 : 404,007.36 = 177,992.48 : x
  2. Step 2: Convert to fraction form
    292,753.28/404,007.36 = 177,992.48/x
  3. Step 3: Cross multiply
    292,753.28x = 404,007.36 × 177,992.48
  4. Step 4: Simplify right side
    292,753.28x = 71,910,271,944.65
  5. Step 5: Solve for x
    x = 71,910,271,944.65/292,753.28
  6. Step 6: Final answer
    x = 245,634.39

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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.