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Finding the Fourth Proportional to 416.24, 573 and 357.68

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Solution

The fourth proportional to 416.24, 573 and 357.68 is: 492.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.24 : 573 = 357.68 : x
  2. Step 2: Convert to fraction form
    416.24/573 = 357.68/x
  3. Step 3: Cross multiply
    416.24x = 573 × 357.68
  4. Step 4: Simplify right side
    416.24x = 204,950.64
  5. Step 5: Solve for x
    x = 204,950.64/416.24
  6. Step 6: Final answer
    x = 492.39

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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.