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Finding the Fourth Proportional to 411.48, 567.06 and 263.86

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Solution

The fourth proportional to 411.48, 567.06 and 263.86 is: 363.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    411.48 : 567.06 = 263.86 : x
  2. Step 2: Convert to fraction form
    411.48/567.06 = 263.86/x
  3. Step 3: Cross multiply
    411.48x = 567.06 × 263.86
  4. Step 4: Simplify right side
    411.48x = 149,624.45
  5. Step 5: Solve for x
    x = 149,624.45/411.48
  6. Step 6: Final answer
    x = 363.63

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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.