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Finding the Fourth Proportional to 533.14, 799.95 and 368.20

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Solution

The fourth proportional to 533.14, 799.95 and 368.20 is: 552.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.14 : 799.95 = 368.20 : x
  2. Step 2: Convert to fraction form
    533.14/799.95 = 368.20/x
  3. Step 3: Cross multiply
    533.14x = 799.95 × 368.20
  4. Step 4: Simplify right side
    533.14x = 294,541.59
  5. Step 5: Solve for x
    x = 294,541.59/533.14
  6. Step 6: Final answer
    x = 552.47

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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.