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Finding the Fourth Proportional to 416.74, 575.10 and 230.24

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Solution

The fourth proportional to 416.74, 575.10 and 230.24 is: 317.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.74 : 575.10 = 230.24 : x
  2. Step 2: Convert to fraction form
    416.74/575.10 = 230.24/x
  3. Step 3: Cross multiply
    416.74x = 575.10 × 230.24
  4. Step 4: Simplify right side
    416.74x = 132,408.15
  5. Step 5: Solve for x
    x = 132,408.15/416.74
  6. Step 6: Final answer
    x = 317.73

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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.