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Finding the Fourth Proportional to 414.42, 570.60 and 352.11

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Solution

The fourth proportional to 414.42, 570.60 and 352.11 is: 484.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    414.42 : 570.60 = 352.11 : x
  2. Step 2: Convert to fraction form
    414.42/570.60 = 352.11/x
  3. Step 3: Cross multiply
    414.42x = 570.60 × 352.11
  4. Step 4: Simplify right side
    414.42x = 200,913.97
  5. Step 5: Solve for x
    x = 200,913.97/414.42
  6. Step 6: Final answer
    x = 484.81

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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.