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Finding the Fourth Proportional to 792.06, 1,093.35 and 481.50

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Solution

The fourth proportional to 792.06, 1,093.35 and 481.50 is: 664.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.06 : 1,093.35 = 481.50 : x
  2. Step 2: Convert to fraction form
    792.06/1,093.35 = 481.50/x
  3. Step 3: Cross multiply
    792.06x = 1,093.35 × 481.50
  4. Step 4: Simplify right side
    792.06x = 526,448.03
  5. Step 5: Solve for x
    x = 526,448.03/792.06
  6. Step 6: Final answer
    x = 664.66

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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.