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Finding the Fourth Proportional to 476.22, 714.44 and 168.07

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Solution

The fourth proportional to 476.22, 714.44 and 168.07 is: 252.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.22 : 714.44 = 168.07 : x
  2. Step 2: Convert to fraction form
    476.22/714.44 = 168.07/x
  3. Step 3: Cross multiply
    476.22x = 714.44 × 168.07
  4. Step 4: Simplify right side
    476.22x = 120,075.93
  5. Step 5: Solve for x
    x = 120,075.93/476.22
  6. Step 6: Final answer
    x = 252.14

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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.