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Finding the Fourth Proportional to 411.52, 567.96 and 252.10

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Solution

The fourth proportional to 411.52, 567.96 and 252.10 is: 347.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    411.52 : 567.96 = 252.10 : x
  2. Step 2: Convert to fraction form
    411.52/567.96 = 252.10/x
  3. Step 3: Cross multiply
    411.52x = 567.96 × 252.10
  4. Step 4: Simplify right side
    411.52x = 143,186.21
  5. Step 5: Solve for x
    x = 143,186.21/411.52
  6. Step 6: Final answer
    x = 347.94

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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.