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Finding the Fourth Proportional to 792.95, 1,094.26 and 443.64

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Solution

The fourth proportional to 792.95, 1,094.26 and 443.64 is: 612.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.95 : 1,094.26 = 443.64 : x
  2. Step 2: Convert to fraction form
    792.95/1,094.26 = 443.64/x
  3. Step 3: Cross multiply
    792.95x = 1,094.26 × 443.64
  4. Step 4: Simplify right side
    792.95x = 485,455.29
  5. Step 5: Solve for x
    x = 485,455.29/792.95
  6. Step 6: Final answer
    x = 612.21

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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.