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Finding the Fourth Proportional to 967.49, 1,449.61 and 533.33

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Solution

The fourth proportional to 967.49, 1,449.61 and 533.33 is: 799.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.49 : 1,449.61 = 533.33 : x
  2. Step 2: Convert to fraction form
    967.49/1,449.61 = 533.33/x
  3. Step 3: Cross multiply
    967.49x = 1,449.61 × 533.33
  4. Step 4: Simplify right side
    967.49x = 773,120.50
  5. Step 5: Solve for x
    x = 773,120.50/967.49
  6. Step 6: Final answer
    x = 799.10

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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.