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Finding the Fourth Proportional to 407.73, 562.68 and 241.95

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Solution

The fourth proportional to 407.73, 562.68 and 241.95 is: 333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    407.73 : 562.68 = 241.95 : x
  2. Step 2: Convert to fraction form
    407.73/562.68 = 241.95/x
  3. Step 3: Cross multiply
    407.73x = 562.68 × 241.95
  4. Step 4: Simplify right side
    407.73x = 136,140.43
  5. Step 5: Solve for x
    x = 136,140.43/407.73
  6. Step 6: Final answer
    x = 333.90

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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.