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Finding the Fourth Proportional to 792.06, 1,093.05 and 477.36

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Solution

The fourth proportional to 792.06, 1,093.05 and 477.36 is: 658.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.06 : 1,093.05 = 477.36 : x
  2. Step 2: Convert to fraction form
    792.06/1,093.05 = 477.36/x
  3. Step 3: Cross multiply
    792.06x = 1,093.05 × 477.36
  4. Step 4: Simplify right side
    792.06x = 521,778.35
  5. Step 5: Solve for x
    x = 521,778.35/792.06
  6. Step 6: Final answer
    x = 658.76

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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.