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Finding the Fourth Proportional to 356,951.82, 492,600.06 and 195,815.10

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Solution

The fourth proportional to 356,951.82, 492,600.06 and 195,815.10 is: 270,228.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,951.82 : 492,600.06 = 195,815.10 : x
  2. Step 2: Convert to fraction form
    356,951.82/492,600.06 = 195,815.10/x
  3. Step 3: Cross multiply
    356,951.82x = 492,600.06 × 195,815.10
  4. Step 4: Simplify right side
    356,951.82x = 96,458,530,008.91
  5. Step 5: Solve for x
    x = 96,458,530,008.91/356,951.82
  6. Step 6: Final answer
    x = 270,228.43

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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.