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Finding the Fourth Proportional to 533.24, 798.84 and 494.56

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Solution

The fourth proportional to 533.24, 798.84 and 494.56 is: 740.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.24 : 798.84 = 494.56 : x
  2. Step 2: Convert to fraction form
    533.24/798.84 = 494.56/x
  3. Step 3: Cross multiply
    533.24x = 798.84 × 494.56
  4. Step 4: Simplify right side
    533.24x = 395,074.31
  5. Step 5: Solve for x
    x = 395,074.31/533.24
  6. Step 6: Final answer
    x = 740.89

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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.