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Finding the Fourth Proportional to 794.62, 1,096.62 and 445.32

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Solution

The fourth proportional to 794.62, 1,096.62 and 445.32 is: 614.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.62 : 1,096.62 = 445.32 : x
  2. Step 2: Convert to fraction form
    794.62/1,096.62 = 445.32/x
  3. Step 3: Cross multiply
    794.62x = 1,096.62 × 445.32
  4. Step 4: Simplify right side
    794.62x = 488,346.82
  5. Step 5: Solve for x
    x = 488,346.82/794.62
  6. Step 6: Final answer
    x = 614.57

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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.