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Finding the Fourth Proportional to 792.46, 1,093.77 and 461.08

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Solution

The fourth proportional to 792.46, 1,093.77 and 461.08 is: 636.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.46 : 1,093.77 = 461.08 : x
  2. Step 2: Convert to fraction form
    792.46/1,093.77 = 461.08/x
  3. Step 3: Cross multiply
    792.46x = 1,093.77 × 461.08
  4. Step 4: Simplify right side
    792.46x = 504,316.84
  5. Step 5: Solve for x
    x = 504,316.84/792.46
  6. Step 6: Final answer
    x = 636.39

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1.5x scale

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.