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Finding the Fourth Proportional to 335.34, 499.77 and 323.46

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Solution

The fourth proportional to 335.34, 499.77 and 323.46 is: 482.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.34 : 499.77 = 323.46 : x
  2. Step 2: Convert to fraction form
    335.34/499.77 = 323.46/x
  3. Step 3: Cross multiply
    335.34x = 499.77 × 323.46
  4. Step 4: Simplify right side
    335.34x = 161,655.60
  5. Step 5: Solve for x
    x = 161,655.60/335.34
  6. Step 6: Final answer
    x = 482.06

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Why These Related Problems?

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