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Finding the Fourth Proportional to 277.06, 414.99 and 168.94

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Solution

The fourth proportional to 277.06, 414.99 and 168.94 is: 253.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.06 : 414.99 = 168.94 : x
  2. Step 2: Convert to fraction form
    277.06/414.99 = 168.94/x
  3. Step 3: Cross multiply
    277.06x = 414.99 × 168.94
  4. Step 4: Simplify right side
    277.06x = 70,108.41
  5. Step 5: Solve for x
    x = 70,108.41/277.06
  6. Step 6: Final answer
    x = 253.04

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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.