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Finding the Fourth Proportional to 481.25, 722.04 and 237.95

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Solution

The fourth proportional to 481.25, 722.04 and 237.95 is: 357.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.25 : 722.04 = 237.95 : x
  2. Step 2: Convert to fraction form
    481.25/722.04 = 237.95/x
  3. Step 3: Cross multiply
    481.25x = 722.04 × 237.95
  4. Step 4: Simplify right side
    481.25x = 171,809.42
  5. Step 5: Solve for x
    x = 171,809.42/481.25
  6. Step 6: Final answer
    x = 357.01

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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.