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Finding the Fourth Proportional to 794.75, 1,096.64 and 440.61

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Solution

The fourth proportional to 794.75, 1,096.64 and 440.61 is: 607.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.75 : 1,096.64 = 440.61 : x
  2. Step 2: Convert to fraction form
    794.75/1,096.64 = 440.61/x
  3. Step 3: Cross multiply
    794.75x = 1,096.64 × 440.61
  4. Step 4: Simplify right side
    794.75x = 483,188.35
  5. Step 5: Solve for x
    x = 483,188.35/794.75
  6. Step 6: Final answer
    x = 607.98

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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.