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Finding the Fourth Proportional to 335.44, 462.51 and 314.68

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Solution

The fourth proportional to 335.44, 462.51 and 314.68 is: 433.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.44 : 462.51 = 314.68 : x
  2. Step 2: Convert to fraction form
    335.44/462.51 = 314.68/x
  3. Step 3: Cross multiply
    335.44x = 462.51 × 314.68
  4. Step 4: Simplify right side
    335.44x = 145,544.40
  5. Step 5: Solve for x
    x = 145,544.40/335.44
  6. Step 6: Final answer
    x = 433.89

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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.