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Finding the Fourth Proportional to 533.47, 799.68 and 273.59

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Solution

The fourth proportional to 533.47, 799.68 and 273.59 is: 410.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.47 : 799.68 = 273.59 : x
  2. Step 2: Convert to fraction form
    533.47/799.68 = 273.59/x
  3. Step 3: Cross multiply
    533.47x = 799.68 × 273.59
  4. Step 4: Simplify right side
    533.47x = 218,784.48
  5. Step 5: Solve for x
    x = 218,784.48/533.47
  6. Step 6: Final answer
    x = 410.12

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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.