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Finding the Fourth Proportional to 416.68, 574.68 and 367.60

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Solution

The fourth proportional to 416.68, 574.68 and 367.60 is: 506.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.68 : 574.68 = 367.60 : x
  2. Step 2: Convert to fraction form
    416.68/574.68 = 367.60/x
  3. Step 3: Cross multiply
    416.68x = 574.68 × 367.60
  4. Step 4: Simplify right side
    416.68x = 211,252.37
  5. Step 5: Solve for x
    x = 211,252.37/416.68
  6. Step 6: Final answer
    x = 506.99

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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.