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Finding the Fourth Proportional to 533.04, 798.92 and 327.68

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Solution

The fourth proportional to 533.04, 798.92 and 327.68 is: 491.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.04 : 798.92 = 327.68 : x
  2. Step 2: Convert to fraction form
    533.04/798.92 = 327.68/x
  3. Step 3: Cross multiply
    533.04x = 798.92 × 327.68
  4. Step 4: Simplify right side
    533.04x = 261,790.11
  5. Step 5: Solve for x
    x = 261,790.11/533.04
  6. Step 6: Final answer
    x = 491.13

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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.