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Finding the Fourth Proportional to 533.04, 735.94 and 408.47

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Solution

The fourth proportional to 533.04, 735.94 and 408.47 is: 563.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.04 : 735.94 = 408.47 : x
  2. Step 2: Convert to fraction form
    533.04/735.94 = 408.47/x
  3. Step 3: Cross multiply
    533.04x = 735.94 × 408.47
  4. Step 4: Simplify right side
    533.04x = 300,607.37
  5. Step 5: Solve for x
    x = 300,607.37/533.04
  6. Step 6: Final answer
    x = 563.95

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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.