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Finding the Fourth Proportional to 411.11, 567.35 and 236.51

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Solution

The fourth proportional to 411.11, 567.35 and 236.51 is: 326.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    411.11 : 567.35 = 236.51 : x
  2. Step 2: Convert to fraction form
    411.11/567.35 = 236.51/x
  3. Step 3: Cross multiply
    411.11x = 567.35 × 236.51
  4. Step 4: Simplify right side
    411.11x = 134,183.95
  5. Step 5: Solve for x
    x = 134,183.95/411.11
  6. Step 6: Final answer
    x = 326.39

Related Problems

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Double scale
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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.