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Finding the Fourth Proportional to 522.67, 783.50 and 197.96

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Solution

The fourth proportional to 522.67, 783.50 and 197.96 is: 296.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    522.67 : 783.50 = 197.96 : x
  2. Step 2: Convert to fraction form
    522.67/783.50 = 197.96/x
  3. Step 3: Cross multiply
    522.67x = 783.50 × 197.96
  4. Step 4: Simplify right side
    522.67x = 155,101.66
  5. Step 5: Solve for x
    x = 155,101.66/522.67
  6. Step 6: Final answer
    x = 296.75

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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.