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Finding the Fourth Proportional to 329.34, 494.06 and 124.06

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Solution

The fourth proportional to 329.34, 494.06 and 124.06 is: 186.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.34 : 494.06 = 124.06 : x
  2. Step 2: Convert to fraction form
    329.34/494.06 = 124.06/x
  3. Step 3: Cross multiply
    329.34x = 494.06 × 124.06
  4. Step 4: Simplify right side
    329.34x = 61,293.08
  5. Step 5: Solve for x
    x = 61,293.08/329.34
  6. Step 6: Final answer
    x = 186.11

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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.