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Finding the Fourth Proportional to 335.85, 463.43 and 188.46

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Solution

The fourth proportional to 335.85, 463.43 and 188.46 is: 260.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.85 : 463.43 = 188.46 : x
  2. Step 2: Convert to fraction form
    335.85/463.43 = 188.46/x
  3. Step 3: Cross multiply
    335.85x = 463.43 × 188.46
  4. Step 4: Simplify right side
    335.85x = 87,338.02
  5. Step 5: Solve for x
    x = 87,338.02/335.85
  6. Step 6: Final answer
    x = 260.05

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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.