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Finding the Fourth Proportional to 567.22, 851.16 and 323.92

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Solution

The fourth proportional to 567.22, 851.16 and 323.92 is: 486.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.22 : 851.16 = 323.92 : x
  2. Step 2: Convert to fraction form
    567.22/851.16 = 323.92/x
  3. Step 3: Cross multiply
    567.22x = 851.16 × 323.92
  4. Step 4: Simplify right side
    567.22x = 275,703.42
  5. Step 5: Solve for x
    x = 275,703.42/567.22
  6. Step 6: Final answer
    x = 486.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.