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Finding the Fourth Proportional to 567.42, 851.22 and 197.19

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Solution

The fourth proportional to 567.42, 851.22 and 197.19 is: 295.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.42 : 851.22 = 197.19 : x
  2. Step 2: Convert to fraction form
    567.42/851.22 = 197.19/x
  3. Step 3: Cross multiply
    567.42x = 851.22 × 197.19
  4. Step 4: Simplify right side
    567.42x = 167,852.07
  5. Step 5: Solve for x
    x = 167,852.07/567.42
  6. Step 6: Final answer
    x = 295.82

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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.