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Finding the Fourth Proportional to 307.82, 461.45 and 184.46

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Solution

The fourth proportional to 307.82, 461.45 and 184.46 is: 276.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    307.82 : 461.45 = 184.46 : x
  2. Step 2: Convert to fraction form
    307.82/461.45 = 184.46/x
  3. Step 3: Cross multiply
    307.82x = 461.45 × 184.46
  4. Step 4: Simplify right side
    307.82x = 85,119.07
  5. Step 5: Solve for x
    x = 85,119.07/307.82
  6. Step 6: Final answer
    x = 276.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.