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Finding the Fourth Proportional to 338.50, 506.69 and 184.02

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Solution

The fourth proportional to 338.50, 506.69 and 184.02 is: 275.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.50 : 506.69 = 184.02 : x
  2. Step 2: Convert to fraction form
    338.50/506.69 = 184.02/x
  3. Step 3: Cross multiply
    338.50x = 506.69 × 184.02
  4. Step 4: Simplify right side
    338.50x = 93,241.09
  5. Step 5: Solve for x
    x = 93,241.09/338.50
  6. Step 6: Final answer
    x = 275.45

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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.