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Finding the Fourth Proportional to 533.02, 735.20 and 336.20

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Solution

The fourth proportional to 533.02, 735.20 and 336.20 is: 463.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.02 : 735.20 = 336.20 : x
  2. Step 2: Convert to fraction form
    533.02/735.20 = 336.20/x
  3. Step 3: Cross multiply
    533.02x = 735.20 × 336.20
  4. Step 4: Simplify right side
    533.02x = 247,174.24
  5. Step 5: Solve for x
    x = 247,174.24/533.02
  6. Step 6: Final answer
    x = 463.72

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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.