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Finding the Fourth Proportional to 476.10, 714.12 and 168.02

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Solution

The fourth proportional to 476.10, 714.12 and 168.02 is: 252.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.10 : 714.12 = 168.02 : x
  2. Step 2: Convert to fraction form
    476.10/714.12 = 168.02/x
  3. Step 3: Cross multiply
    476.10x = 714.12 × 168.02
  4. Step 4: Simplify right side
    476.10x = 119,986.44
  5. Step 5: Solve for x
    x = 119,986.44/476.10
  6. Step 6: Final answer
    x = 252.02

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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.