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Finding the Fourth Proportional to 335.82, 465.58 and 317.37

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Solution

The fourth proportional to 335.82, 465.58 and 317.37 is: 440.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.82 : 465.58 = 317.37 : x
  2. Step 2: Convert to fraction form
    335.82/465.58 = 317.37/x
  3. Step 3: Cross multiply
    335.82x = 465.58 × 317.37
  4. Step 4: Simplify right side
    335.82x = 147,760.33
  5. Step 5: Solve for x
    x = 147,760.33/335.82
  6. Step 6: Final answer
    x = 440.00

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.