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Finding the Fourth Proportional to 335.36, 500.58 and 311.26

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Solution

The fourth proportional to 335.36, 500.58 and 311.26 is: 464.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.36 : 500.58 = 311.26 : x
  2. Step 2: Convert to fraction form
    335.36/500.58 = 311.26/x
  3. Step 3: Cross multiply
    335.36x = 500.58 × 311.26
  4. Step 4: Simplify right side
    335.36x = 155,810.53
  5. Step 5: Solve for x
    x = 155,810.53/335.36
  6. Step 6: Final answer
    x = 464.61

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.