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Finding the Fourth Proportional to 433.48, 598.21 and 267.68

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Solution

The fourth proportional to 433.48, 598.21 and 267.68 is: 369.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.48 : 598.21 = 267.68 : x
  2. Step 2: Convert to fraction form
    433.48/598.21 = 267.68/x
  3. Step 3: Cross multiply
    433.48x = 598.21 × 267.68
  4. Step 4: Simplify right side
    433.48x = 160,129.68
  5. Step 5: Solve for x
    x = 160,129.68/433.48
  6. Step 6: Final answer
    x = 369.41

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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.