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Finding the Fourth Proportional to 476.25, 714.08 and 168.04

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Solution

The fourth proportional to 476.25, 714.08 and 168.04 is: 251.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.25 : 714.08 = 168.04 : x
  2. Step 2: Convert to fraction form
    476.25/714.08 = 168.04/x
  3. Step 3: Cross multiply
    476.25x = 714.08 × 168.04
  4. Step 4: Simplify right side
    476.25x = 119,995.32
  5. Step 5: Solve for x
    x = 119,995.32/476.25
  6. Step 6: Final answer
    x = 251.96

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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.