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Finding the Fourth Proportional to 335.43, 503.13 and 310.37

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Solution

The fourth proportional to 335.43, 503.13 and 310.37 is: 465.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.43 : 503.13 = 310.37 : x
  2. Step 2: Convert to fraction form
    335.43/503.13 = 310.37/x
  3. Step 3: Cross multiply
    335.43x = 503.13 × 310.37
  4. Step 4: Simplify right side
    335.43x = 156,153.94
  5. Step 5: Solve for x
    x = 156,153.94/335.43
  6. Step 6: Final answer
    x = 465.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.