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Finding the Fourth Proportional to 533.04, 793.70 and 531.42

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Solution

The fourth proportional to 533.04, 793.70 and 531.42 is: 791.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.04 : 793.70 = 531.42 : x
  2. Step 2: Convert to fraction form
    533.04/793.70 = 531.42/x
  3. Step 3: Cross multiply
    533.04x = 793.70 × 531.42
  4. Step 4: Simplify right side
    533.04x = 421,785.40
  5. Step 5: Solve for x
    x = 421,785.40/533.04
  6. Step 6: Final answer
    x = 791.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.