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Finding the Fourth Proportional to 416.48, 574.23 and 350.84

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Solution

The fourth proportional to 416.48, 574.23 and 350.84 is: 483.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.48 : 574.23 = 350.84 : x
  2. Step 2: Convert to fraction form
    416.48/574.23 = 350.84/x
  3. Step 3: Cross multiply
    416.48x = 574.23 × 350.84
  4. Step 4: Simplify right side
    416.48x = 201,462.85
  5. Step 5: Solve for x
    x = 201,462.85/416.48
  6. Step 6: Final answer
    x = 483.73

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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.