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Finding the Fourth Proportional to 397.73, 596.94 and 276.08

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Solution

The fourth proportional to 397.73, 596.94 and 276.08 is: 414.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    397.73 : 596.94 = 276.08 : x
  2. Step 2: Convert to fraction form
    397.73/596.94 = 276.08/x
  3. Step 3: Cross multiply
    397.73x = 596.94 × 276.08
  4. Step 4: Simplify right side
    397.73x = 164,803.89
  5. Step 5: Solve for x
    x = 164,803.89/397.73
  6. Step 6: Final answer
    x = 414.36

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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.