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Finding the Fourth Proportional to 792.07, 1,093.05 and 437.99

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Solution

The fourth proportional to 792.07, 1,093.05 and 437.99 is: 604.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.07 : 1,093.05 = 437.99 : x
  2. Step 2: Convert to fraction form
    792.07/1,093.05 = 437.99/x
  3. Step 3: Cross multiply
    792.07x = 1,093.05 × 437.99
  4. Step 4: Simplify right side
    792.07x = 478,744.97
  5. Step 5: Solve for x
    x = 478,744.97/792.07
  6. Step 6: Final answer
    x = 604.42

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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.