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Finding the Fourth Proportional to 567.97, 851.13 and 323.98

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Solution

The fourth proportional to 567.97, 851.13 and 323.98 is: 485.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.97 : 851.13 = 323.98 : x
  2. Step 2: Convert to fraction form
    567.97/851.13 = 323.98/x
  3. Step 3: Cross multiply
    567.97x = 851.13 × 323.98
  4. Step 4: Simplify right side
    567.97x = 275,749.10
  5. Step 5: Solve for x
    x = 275,749.10/567.97
  6. Step 6: Final answer
    x = 485.50

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Double scale
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Similar ratio
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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.