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Finding the Fourth Proportional to 533.93, 799.61 and 273.24

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Solution

The fourth proportional to 533.93, 799.61 and 273.24 is: 409.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.93 : 799.61 = 273.24 : x
  2. Step 2: Convert to fraction form
    533.93/799.61 = 273.24/x
  3. Step 3: Cross multiply
    533.93x = 799.61 × 273.24
  4. Step 4: Simplify right side
    533.93x = 218,484.07
  5. Step 5: Solve for x
    x = 218,484.07/533.93
  6. Step 6: Final answer
    x = 409.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.