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Finding the Fourth Proportional to 301.26, 452.04 and 118.74

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Solution

The fourth proportional to 301.26, 452.04 and 118.74 is: 178.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.26 : 452.04 = 118.74 : x
  2. Step 2: Convert to fraction form
    301.26/452.04 = 118.74/x
  3. Step 3: Cross multiply
    301.26x = 452.04 × 118.74
  4. Step 4: Simplify right side
    301.26x = 53,675.23
  5. Step 5: Solve for x
    x = 53,675.23/301.26
  6. Step 6: Final answer
    x = 178.17

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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.