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Finding the Fourth Proportional to 792.11, 1,093.02 and 437.99

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Solution

The fourth proportional to 792.11, 1,093.02 and 437.99 is: 604.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.11 : 1,093.02 = 437.99 : x
  2. Step 2: Convert to fraction form
    792.11/1,093.02 = 437.99/x
  3. Step 3: Cross multiply
    792.11x = 1,093.02 × 437.99
  4. Step 4: Simplify right side
    792.11x = 478,724.72
  5. Step 5: Solve for x
    x = 478,724.72/792.11
  6. Step 6: Final answer
    x = 604.37

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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.