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Finding the Fourth Proportional to 332.88, 458.88 and 267.42

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Solution

The fourth proportional to 332.88, 458.88 and 267.42 is: 368.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.88 : 458.88 = 267.42 : x
  2. Step 2: Convert to fraction form
    332.88/458.88 = 267.42/x
  3. Step 3: Cross multiply
    332.88x = 458.88 × 267.42
  4. Step 4: Simplify right side
    332.88x = 122,713.69
  5. Step 5: Solve for x
    x = 122,713.69/332.88
  6. Step 6: Final answer
    x = 368.64

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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.