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Finding the Fourth Proportional to 533.48, 736.18 and 297.43

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Solution

The fourth proportional to 533.48, 736.18 and 297.43 is: 410.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.48 : 736.18 = 297.43 : x
  2. Step 2: Convert to fraction form
    533.48/736.18 = 297.43/x
  3. Step 3: Cross multiply
    533.48x = 736.18 × 297.43
  4. Step 4: Simplify right side
    533.48x = 218,959.43
  5. Step 5: Solve for x
    x = 218,959.43/533.48
  6. Step 6: Final answer
    x = 410.44

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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.