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Finding the Fourth Proportional to 335.03, 462.38 and 210.83

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Solution

The fourth proportional to 335.03, 462.38 and 210.83 is: 290.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.03 : 462.38 = 210.83 : x
  2. Step 2: Convert to fraction form
    335.03/462.38 = 210.83/x
  3. Step 3: Cross multiply
    335.03x = 462.38 × 210.83
  4. Step 4: Simplify right side
    335.03x = 97,480.21
  5. Step 5: Solve for x
    x = 97,480.21/335.03
  6. Step 6: Final answer
    x = 290.96

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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.