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Finding the Fourth Proportional to 533.16, 799.75 and 351.71

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Solution

The fourth proportional to 533.16, 799.75 and 351.71 is: 527.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.16 : 799.75 = 351.71 : x
  2. Step 2: Convert to fraction form
    533.16/799.75 = 351.71/x
  3. Step 3: Cross multiply
    533.16x = 799.75 × 351.71
  4. Step 4: Simplify right side
    533.16x = 281,280.07
  5. Step 5: Solve for x
    x = 281,280.07/533.16
  6. Step 6: Final answer
    x = 527.57

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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.