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Finding the Fourth Proportional to 567.92, 851.88 and 197.72

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Solution

The fourth proportional to 567.92, 851.88 and 197.72 is: 296.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.92 : 851.88 = 197.72 : x
  2. Step 2: Convert to fraction form
    567.92/851.88 = 197.72/x
  3. Step 3: Cross multiply
    567.92x = 851.88 × 197.72
  4. Step 4: Simplify right side
    567.92x = 168,433.71
  5. Step 5: Solve for x
    x = 168,433.71/567.92
  6. Step 6: Final answer
    x = 296.58

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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.