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Finding the Fourth Proportional to 327.98, 492.16 and 183.98

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Solution

The fourth proportional to 327.98, 492.16 and 183.98 is: 276.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    327.98 : 492.16 = 183.98 : x
  2. Step 2: Convert to fraction form
    327.98/492.16 = 183.98/x
  3. Step 3: Cross multiply
    327.98x = 492.16 × 183.98
  4. Step 4: Simplify right side
    327.98x = 90,547.60
  5. Step 5: Solve for x
    x = 90,547.60/327.98
  6. Step 6: Final answer
    x = 276.08

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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.