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Finding the Fourth Proportional to 416.81, 574.44 and 334.19

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Solution

The fourth proportional to 416.81, 574.44 and 334.19 is: 460.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.81 : 574.44 = 334.19 : x
  2. Step 2: Convert to fraction form
    416.81/574.44 = 334.19/x
  3. Step 3: Cross multiply
    416.81x = 574.44 × 334.19
  4. Step 4: Simplify right side
    416.81x = 191,972.10
  5. Step 5: Solve for x
    x = 191,972.10/416.81
  6. Step 6: Final answer
    x = 460.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.