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Finding the Fourth Proportional to 476.94, 714.94 and 168.58

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Solution

The fourth proportional to 476.94, 714.94 and 168.58 is: 252.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.94 : 714.94 = 168.58 : x
  2. Step 2: Convert to fraction form
    476.94/714.94 = 168.58/x
  3. Step 3: Cross multiply
    476.94x = 714.94 × 168.58
  4. Step 4: Simplify right side
    476.94x = 120,524.59
  5. Step 5: Solve for x
    x = 120,524.59/476.94
  6. Step 6: Final answer
    x = 252.70

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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.