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Finding the Fourth Proportional to 332.82, 459.90 and 267.12

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Solution

The fourth proportional to 332.82, 459.90 and 267.12 is: 369.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.82 : 459.90 = 267.12 : x
  2. Step 2: Convert to fraction form
    332.82/459.90 = 267.12/x
  3. Step 3: Cross multiply
    332.82x = 459.90 × 267.12
  4. Step 4: Simplify right side
    332.82x = 122,848.49
  5. Step 5: Solve for x
    x = 122,848.49/332.82
  6. Step 6: Final answer
    x = 369.11

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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.