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Finding the Fourth Proportional to 476.06, 714.14 and 167.85

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Solution

The fourth proportional to 476.06, 714.14 and 167.85 is: 251.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.06 : 714.14 = 167.85 : x
  2. Step 2: Convert to fraction form
    476.06/714.14 = 167.85/x
  3. Step 3: Cross multiply
    476.06x = 714.14 × 167.85
  4. Step 4: Simplify right side
    476.06x = 119,867.56
  5. Step 5: Solve for x
    x = 119,867.56/476.06
  6. Step 6: Final answer
    x = 251.79

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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.