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Finding the Fourth Proportional to 277.98, 416.74 and 175.01

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Solution

The fourth proportional to 277.98, 416.74 and 175.01 is: 262.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.98 : 416.74 = 175.01 : x
  2. Step 2: Convert to fraction form
    277.98/416.74 = 175.01/x
  3. Step 3: Cross multiply
    277.98x = 416.74 × 175.01
  4. Step 4: Simplify right side
    277.98x = 72,932.71
  5. Step 5: Solve for x
    x = 72,932.71/277.98
  6. Step 6: Final answer
    x = 262.37

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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.