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Finding the Fourth Proportional to 433.80, 598.50 and 267.92

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Solution

The fourth proportional to 433.80, 598.50 and 267.92 is: 369.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.80 : 598.50 = 267.92 : x
  2. Step 2: Convert to fraction form
    433.80/598.50 = 267.92/x
  3. Step 3: Cross multiply
    433.80x = 598.50 × 267.92
  4. Step 4: Simplify right side
    433.80x = 160,350.12
  5. Step 5: Solve for x
    x = 160,350.12/433.80
  6. Step 6: Final answer
    x = 369.64

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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.