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Finding the Fourth Proportional to 323.64, 485.07 and 150.07

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Solution

The fourth proportional to 323.64, 485.07 and 150.07 is: 224.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.64 : 485.07 = 150.07 : x
  2. Step 2: Convert to fraction form
    323.64/485.07 = 150.07/x
  3. Step 3: Cross multiply
    323.64x = 485.07 × 150.07
  4. Step 4: Simplify right side
    323.64x = 72,794.45
  5. Step 5: Solve for x
    x = 72,794.45/323.64
  6. Step 6: Final answer
    x = 224.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.