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Finding the Fourth Proportional to 411.85, 568.05 and 264.65

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Solution

The fourth proportional to 411.85, 568.05 and 264.65 is: 365.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    411.85 : 568.05 = 264.65 : x
  2. Step 2: Convert to fraction form
    411.85/568.05 = 264.65/x
  3. Step 3: Cross multiply
    411.85x = 568.05 × 264.65
  4. Step 4: Simplify right side
    411.85x = 150,334.43
  5. Step 5: Solve for x
    x = 150,334.43/411.85
  6. Step 6: Final answer
    x = 365.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.