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Finding the Fourth Proportional to 335.49, 462.72 and 269.02

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Solution

The fourth proportional to 335.49, 462.72 and 269.02 is: 371.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.49 : 462.72 = 269.02 : x
  2. Step 2: Convert to fraction form
    335.49/462.72 = 269.02/x
  3. Step 3: Cross multiply
    335.49x = 462.72 × 269.02
  4. Step 4: Simplify right side
    335.49x = 124,482.09
  5. Step 5: Solve for x
    x = 124,482.09/335.49
  6. Step 6: Final answer
    x = 371.05

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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.