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Finding the Fourth Proportional to 369.93, 554.91 and 164.46

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Solution

The fourth proportional to 369.93, 554.91 and 164.46 is: 246.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.93 : 554.91 = 164.46 : x
  2. Step 2: Convert to fraction form
    369.93/554.91 = 164.46/x
  3. Step 3: Cross multiply
    369.93x = 554.91 × 164.46
  4. Step 4: Simplify right side
    369.93x = 91,260.50
  5. Step 5: Solve for x
    x = 91,260.50/369.93
  6. Step 6: Final answer
    x = 246.70

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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.