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Finding the Fourth Proportional to 411.76, 568.50 and 264.46

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Solution

The fourth proportional to 411.76, 568.50 and 264.46 is: 365.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    411.76 : 568.50 = 264.46 : x
  2. Step 2: Convert to fraction form
    411.76/568.50 = 264.46/x
  3. Step 3: Cross multiply
    411.76x = 568.50 × 264.46
  4. Step 4: Simplify right side
    411.76x = 150,345.51
  5. Step 5: Solve for x
    x = 150,345.51/411.76
  6. Step 6: Final answer
    x = 365.13

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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.