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Finding the Fourth Proportional to 277.94, 416.64 and 160.59

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Solution

The fourth proportional to 277.94, 416.64 and 160.59 is: 240.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.94 : 416.64 = 160.59 : x
  2. Step 2: Convert to fraction form
    277.94/416.64 = 160.59/x
  3. Step 3: Cross multiply
    277.94x = 416.64 × 160.59
  4. Step 4: Simplify right side
    277.94x = 66,908.22
  5. Step 5: Solve for x
    x = 66,908.22/277.94
  6. Step 6: Final answer
    x = 240.73

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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.