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Finding the Fourth Proportional to 310.84, 466.41 and 195.05

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Solution

The fourth proportional to 310.84, 466.41 and 195.05 is: 292.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    310.84 : 466.41 = 195.05 : x
  2. Step 2: Convert to fraction form
    310.84/466.41 = 195.05/x
  3. Step 3: Cross multiply
    310.84x = 466.41 × 195.05
  4. Step 4: Simplify right side
    310.84x = 90,973.27
  5. Step 5: Solve for x
    x = 90,973.27/310.84
  6. Step 6: Final answer
    x = 292.67

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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.