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Finding the Fourth Proportional to 335.32, 462.03 and 276.13

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Solution

The fourth proportional to 335.32, 462.03 and 276.13 is: 380.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.32 : 462.03 = 276.13 : x
  2. Step 2: Convert to fraction form
    335.32/462.03 = 276.13/x
  3. Step 3: Cross multiply
    335.32x = 462.03 × 276.13
  4. Step 4: Simplify right side
    335.32x = 127,580.34
  5. Step 5: Solve for x
    x = 127,580.34/335.32
  6. Step 6: Final answer
    x = 380.47

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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.