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Finding the Fourth Proportional to 567.40, 851.03 and 197.13

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Solution

The fourth proportional to 567.40, 851.03 and 197.13 is: 295.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.40 : 851.03 = 197.13 : x
  2. Step 2: Convert to fraction form
    567.40/851.03 = 197.13/x
  3. Step 3: Cross multiply
    567.40x = 851.03 × 197.13
  4. Step 4: Simplify right side
    567.40x = 167,767.60
  5. Step 5: Solve for x
    x = 167,767.60/567.40
  6. Step 6: Final answer
    x = 295.68

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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.