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Finding the Fourth Proportional to 416.64, 625.02 and 173.37

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Solution

The fourth proportional to 416.64, 625.02 and 173.37 is: 260.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.64 : 625.02 = 173.37 : x
  2. Step 2: Convert to fraction form
    416.64/625.02 = 173.37/x
  3. Step 3: Cross multiply
    416.64x = 625.02 × 173.37
  4. Step 4: Simplify right side
    416.64x = 108,359.72
  5. Step 5: Solve for x
    x = 108,359.72/416.64
  6. Step 6: Final answer
    x = 260.08

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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.