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Finding the Fourth Proportional to 329.45, 494.24 and 124.03

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Solution

The fourth proportional to 329.45, 494.24 and 124.03 is: 186.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.45 : 494.24 = 124.03 : x
  2. Step 2: Convert to fraction form
    329.45/494.24 = 124.03/x
  3. Step 3: Cross multiply
    329.45x = 494.24 × 124.03
  4. Step 4: Simplify right side
    329.45x = 61,300.58
  5. Step 5: Solve for x
    x = 61,300.58/329.45
  6. Step 6: Final answer
    x = 186.07

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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.