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Finding the Fourth Proportional to 356,891.52, 492,524.08 and 195,753.36

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Solution

The fourth proportional to 356,891.52, 492,524.08 and 195,753.36 is: 270,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,891.52 : 492,524.08 = 195,753.36 : x
  2. Step 2: Convert to fraction form
    356,891.52/492,524.08 = 195,753.36/x
  3. Step 3: Cross multiply
    356,891.52x = 492,524.08 × 195,753.36
  4. Step 4: Simplify right side
    356,891.52x = 96,413,243,540.91
  5. Step 5: Solve for x
    x = 96,413,243,540.91/356,891.52
  6. Step 6: Final answer
    x = 270,147.20

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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.