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Finding the Fourth Proportional to 476.12, 714.34 and 168

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Solution

The fourth proportional to 476.12, 714.34 and 168 is: 252.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.12 : 714.34 = 168 : x
  2. Step 2: Convert to fraction form
    476.12/714.34 = 168/x
  3. Step 3: Cross multiply
    476.12x = 714.34 × 168
  4. Step 4: Simplify right side
    476.12x = 120,009.12
  5. Step 5: Solve for x
    x = 120,009.12/476.12
  6. Step 6: Final answer
    x = 252.06

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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.