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Finding the Fourth Proportional to 533.44, 736.08 and 300.48

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Solution

The fourth proportional to 533.44, 736.08 and 300.48 is: 414.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.44 : 736.08 = 300.48 : x
  2. Step 2: Convert to fraction form
    533.44/736.08 = 300.48/x
  3. Step 3: Cross multiply
    533.44x = 736.08 × 300.48
  4. Step 4: Simplify right side
    533.44x = 221,177.32
  5. Step 5: Solve for x
    x = 221,177.32/533.44
  6. Step 6: Final answer
    x = 414.62

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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.