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Finding the Fourth Proportional to 474.83, 655.26 and 267.83

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Solution

The fourth proportional to 474.83, 655.26 and 267.83 is: 369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.83 : 655.26 = 267.83 : x
  2. Step 2: Convert to fraction form
    474.83/655.26 = 267.83/x
  3. Step 3: Cross multiply
    474.83x = 655.26 × 267.83
  4. Step 4: Simplify right side
    474.83x = 175,498.29
  5. Step 5: Solve for x
    x = 175,498.29/474.83
  6. Step 6: Final answer
    x = 369.60

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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.