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Finding the Fourth Proportional to 337.46, 465.39 and 212.92

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Solution

The fourth proportional to 337.46, 465.39 and 212.92 is: 293.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.46 : 465.39 = 212.92 : x
  2. Step 2: Convert to fraction form
    337.46/465.39 = 212.92/x
  3. Step 3: Cross multiply
    337.46x = 465.39 × 212.92
  4. Step 4: Simplify right side
    337.46x = 99,090.84
  5. Step 5: Solve for x
    x = 99,090.84/337.46
  6. Step 6: Final answer
    x = 293.64

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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.