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Finding the Fourth Proportional to 253.66, 350.08 and 174.91

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Solution

The fourth proportional to 253.66, 350.08 and 174.91 is: 241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    253.66 : 350.08 = 174.91 : x
  2. Step 2: Convert to fraction form
    253.66/350.08 = 174.91/x
  3. Step 3: Cross multiply
    253.66x = 350.08 × 174.91
  4. Step 4: Simplify right side
    253.66x = 61,232.49
  5. Step 5: Solve for x
    x = 61,232.49/253.66
  6. Step 6: Final answer
    x = 241.40

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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.