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Finding the Fourth Proportional to 335.16, 462.48 and 193.36

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Solution

The fourth proportional to 335.16, 462.48 and 193.36 is: 266.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.16 : 462.48 = 193.36 : x
  2. Step 2: Convert to fraction form
    335.16/462.48 = 193.36/x
  3. Step 3: Cross multiply
    335.16x = 462.48 × 193.36
  4. Step 4: Simplify right side
    335.16x = 89,423.47
  5. Step 5: Solve for x
    x = 89,423.47/335.16
  6. Step 6: Final answer
    x = 266.81

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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.