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Finding the Fourth Proportional to 332.08, 492.56 and 327.22

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Solution

The fourth proportional to 332.08, 492.56 and 327.22 is: 485.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.08 : 492.56 = 327.22 : x
  2. Step 2: Convert to fraction form
    332.08/492.56 = 327.22/x
  3. Step 3: Cross multiply
    332.08x = 492.56 × 327.22
  4. Step 4: Simplify right side
    332.08x = 161,175.48
  5. Step 5: Solve for x
    x = 161,175.48/332.08
  6. Step 6: Final answer
    x = 485.35

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.