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Finding the Fourth Proportional to 477.44, 658.80 and 267.59

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Solution

The fourth proportional to 477.44, 658.80 and 267.59 is: 369.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    477.44 : 658.80 = 267.59 : x
  2. Step 2: Convert to fraction form
    477.44/658.80 = 267.59/x
  3. Step 3: Cross multiply
    477.44x = 658.80 × 267.59
  4. Step 4: Simplify right side
    477.44x = 176,288.29
  5. Step 5: Solve for x
    x = 176,288.29/477.44
  6. Step 6: Final answer
    x = 369.24

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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.