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Finding the Fourth Proportional to 533.44, 735.76 and 356.32

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Solution

The fourth proportional to 533.44, 735.76 and 356.32 is: 491.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.44 : 735.76 = 356.32 : x
  2. Step 2: Convert to fraction form
    533.44/735.76 = 356.32/x
  3. Step 3: Cross multiply
    533.44x = 735.76 × 356.32
  4. Step 4: Simplify right side
    533.44x = 262,166.00
  5. Step 5: Solve for x
    x = 262,166.00/533.44
  6. Step 6: Final answer
    x = 491.46

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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.