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Finding the Fourth Proportional to 416.03, 623.31 and 232.97

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Solution

The fourth proportional to 416.03, 623.31 and 232.97 is: 349.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.03 : 623.31 = 232.97 : x
  2. Step 2: Convert to fraction form
    416.03/623.31 = 232.97/x
  3. Step 3: Cross multiply
    416.03x = 623.31 × 232.97
  4. Step 4: Simplify right side
    416.03x = 145,209.41
  5. Step 5: Solve for x
    x = 145,209.41/416.03
  6. Step 6: Final answer
    x = 349.04

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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.