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Finding the Fourth Proportional to 533.92, 736.48 and 409.44

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Solution

The fourth proportional to 533.92, 736.48 and 409.44 is: 564.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.92 : 736.48 = 409.44 : x
  2. Step 2: Convert to fraction form
    533.92/736.48 = 409.44/x
  3. Step 3: Cross multiply
    533.92x = 736.48 × 409.44
  4. Step 4: Simplify right side
    533.92x = 301,544.37
  5. Step 5: Solve for x
    x = 301,544.37/533.92
  6. Step 6: Final answer
    x = 564.77

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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.