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Finding the Fourth Proportional to 329.41, 494.17 and 124.00

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Solution

The fourth proportional to 329.41, 494.17 and 124.00 is: 186.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.41 : 494.17 = 124.00 : x
  2. Step 2: Convert to fraction form
    329.41/494.17 = 124.00/x
  3. Step 3: Cross multiply
    329.41x = 494.17 × 124.00
  4. Step 4: Simplify right side
    329.41x = 61,276.00
  5. Step 5: Solve for x
    x = 61,276.00/329.41
  6. Step 6: Final answer
    x = 186.02

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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.