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Finding the Fourth Proportional to 312.04, 467.92 and 116.97

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Solution

The fourth proportional to 312.04, 467.92 and 116.97 is: 175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    312.04 : 467.92 = 116.97 : x
  2. Step 2: Convert to fraction form
    312.04/467.92 = 116.97/x
  3. Step 3: Cross multiply
    312.04x = 467.92 × 116.97
  4. Step 4: Simplify right side
    312.04x = 54,732.60
  5. Step 5: Solve for x
    x = 54,732.60/312.04
  6. Step 6: Final answer
    x = 175.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.