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Finding the Fourth Proportional to 533.17, 798.73 and 313.33

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Solution

The fourth proportional to 533.17, 798.73 and 313.33 is: 469.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.17 : 798.73 = 313.33 : x
  2. Step 2: Convert to fraction form
    533.17/798.73 = 313.33/x
  3. Step 3: Cross multiply
    533.17x = 798.73 × 313.33
  4. Step 4: Simplify right side
    533.17x = 250,266.07
  5. Step 5: Solve for x
    x = 250,266.07/533.17
  6. Step 6: Final answer
    x = 469.39

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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.