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Finding the Fourth Proportional to 253.93, 350.74 and 183.88

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Solution

The fourth proportional to 253.93, 350.74 and 183.88 is: 253.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    253.93 : 350.74 = 183.88 : x
  2. Step 2: Convert to fraction form
    253.93/350.74 = 183.88/x
  3. Step 3: Cross multiply
    253.93x = 350.74 × 183.88
  4. Step 4: Simplify right side
    253.93x = 64,494.06
  5. Step 5: Solve for x
    x = 64,494.06/253.93
  6. Step 6: Final answer
    x = 253.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.