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Finding the Fourth Proportional to 730.44, 1,095.72 and 236.73

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Solution

The fourth proportional to 730.44, 1,095.72 and 236.73 is: 355.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    730.44 : 1,095.72 = 236.73 : x
  2. Step 2: Convert to fraction form
    730.44/1,095.72 = 236.73/x
  3. Step 3: Cross multiply
    730.44x = 1,095.72 × 236.73
  4. Step 4: Simplify right side
    730.44x = 259,389.80
  5. Step 5: Solve for x
    x = 259,389.80/730.44
  6. Step 6: Final answer
    x = 355.11

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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.