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Finding the Fourth Proportional to 792.01, 1,093.02 and 442.69

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Solution

The fourth proportional to 792.01, 1,093.02 and 442.69 is: 610.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.01 : 1,093.02 = 442.69 : x
  2. Step 2: Convert to fraction form
    792.01/1,093.02 = 442.69/x
  3. Step 3: Cross multiply
    792.01x = 1,093.02 × 442.69
  4. Step 4: Simplify right side
    792.01x = 483,869.02
  5. Step 5: Solve for x
    x = 483,869.02/792.01
  6. Step 6: Final answer
    x = 610.94

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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.