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Finding the Fourth Proportional to 433.49, 598.15 and 267.66

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Solution

The fourth proportional to 433.49, 598.15 and 267.66 is: 369.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.49 : 598.15 = 267.66 : x
  2. Step 2: Convert to fraction form
    433.49/598.15 = 267.66/x
  3. Step 3: Cross multiply
    433.49x = 598.15 × 267.66
  4. Step 4: Simplify right side
    433.49x = 160,100.83
  5. Step 5: Solve for x
    x = 160,100.83/433.49
  6. Step 6: Final answer
    x = 369.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.