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Finding the Fourth Proportional to 613.36, 846.42 and 333.58

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Solution

The fourth proportional to 613.36, 846.42 and 333.58 is: 460.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    613.36 : 846.42 = 333.58 : x
  2. Step 2: Convert to fraction form
    613.36/846.42 = 333.58/x
  3. Step 3: Cross multiply
    613.36x = 846.42 × 333.58
  4. Step 4: Simplify right side
    613.36x = 282,352.05
  5. Step 5: Solve for x
    x = 282,352.05/613.36
  6. Step 6: Final answer
    x = 460.34

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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.