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Finding the Fourth Proportional to 792.98, 1,094.34 and 443.66

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Solution

The fourth proportional to 792.98, 1,094.34 and 443.66 is: 612.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.98 : 1,094.34 = 443.66 : x
  2. Step 2: Convert to fraction form
    792.98/1,094.34 = 443.66/x
  3. Step 3: Cross multiply
    792.98x = 1,094.34 × 443.66
  4. Step 4: Simplify right side
    792.98x = 485,512.67
  5. Step 5: Solve for x
    x = 485,512.67/792.98
  6. Step 6: Final answer
    x = 612.27

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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.