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Finding the Fourth Proportional to 411.39, 567.90 and 264.24

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Solution

The fourth proportional to 411.39, 567.90 and 264.24 is: 364.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    411.39 : 567.90 = 264.24 : x
  2. Step 2: Convert to fraction form
    411.39/567.90 = 264.24/x
  3. Step 3: Cross multiply
    411.39x = 567.90 × 264.24
  4. Step 4: Simplify right side
    411.39x = 150,061.90
  5. Step 5: Solve for x
    x = 150,061.90/411.39
  6. Step 6: Final answer
    x = 364.77

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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.