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Finding the Fourth Proportional to 335.94, 463.62 and 203.18

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Solution

The fourth proportional to 335.94, 463.62 and 203.18 is: 280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.94 : 463.62 = 203.18 : x
  2. Step 2: Convert to fraction form
    335.94/463.62 = 203.18/x
  3. Step 3: Cross multiply
    335.94x = 463.62 × 203.18
  4. Step 4: Simplify right side
    335.94x = 94,198.49
  5. Step 5: Solve for x
    x = 94,198.49/335.94
  6. Step 6: Final answer
    x = 280.40

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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.