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Finding the Fourth Proportional to 369.50, 554.12 and 164.06

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Solution

The fourth proportional to 369.50, 554.12 and 164.06 is: 246.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.50 : 554.12 = 164.06 : x
  2. Step 2: Convert to fraction form
    369.50/554.12 = 164.06/x
  3. Step 3: Cross multiply
    369.50x = 554.12 × 164.06
  4. Step 4: Simplify right side
    369.50x = 90,908.93
  5. Step 5: Solve for x
    x = 90,908.93/369.50
  6. Step 6: Final answer
    x = 246.03

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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.