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Finding the Fourth Proportional to 331.95, 497.94 and 195.06

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Solution

The fourth proportional to 331.95, 497.94 and 195.06 is: 292.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.95 : 497.94 = 195.06 : x
  2. Step 2: Convert to fraction form
    331.95/497.94 = 195.06/x
  3. Step 3: Cross multiply
    331.95x = 497.94 × 195.06
  4. Step 4: Simplify right side
    331.95x = 97,128.18
  5. Step 5: Solve for x
    x = 97,128.18/331.95
  6. Step 6: Final answer
    x = 292.60

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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.