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Finding the Fourth Proportional to 463.14, 639.14 and 264

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Solution

The fourth proportional to 463.14, 639.14 and 264 is: 364.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.14 : 639.14 = 264 : x
  2. Step 2: Convert to fraction form
    463.14/639.14 = 264/x
  3. Step 3: Cross multiply
    463.14x = 639.14 × 264
  4. Step 4: Simplify right side
    463.14x = 168,732.96
  5. Step 5: Solve for x
    x = 168,732.96/463.14
  6. Step 6: Final answer
    x = 364.32

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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.