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Finding the Fourth Proportional to 411.83, 567.10 and 352.38

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Solution

The fourth proportional to 411.83, 567.10 and 352.38 is: 485.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    411.83 : 567.10 = 352.38 : x
  2. Step 2: Convert to fraction form
    411.83/567.10 = 352.38/x
  3. Step 3: Cross multiply
    411.83x = 567.10 × 352.38
  4. Step 4: Simplify right side
    411.83x = 199,832.48
  5. Step 5: Solve for x
    x = 199,832.48/411.83
  6. Step 6: Final answer
    x = 485.23

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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.