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Finding the Fourth Proportional to 369.60, 554.22 and 126.06

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Solution

The fourth proportional to 369.60, 554.22 and 126.06 is: 189.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.60 : 554.22 = 126.06 : x
  2. Step 2: Convert to fraction form
    369.60/554.22 = 126.06/x
  3. Step 3: Cross multiply
    369.60x = 554.22 × 126.06
  4. Step 4: Simplify right side
    369.60x = 69,864.97
  5. Step 5: Solve for x
    x = 69,864.97/369.60
  6. Step 6: Final answer
    x = 189.03

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.