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Finding the Fourth Proportional to 476.13, 713.93 and 167.96

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Solution

The fourth proportional to 476.13, 713.93 and 167.96 is: 251.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.13 : 713.93 = 167.96 : x
  2. Step 2: Convert to fraction form
    476.13/713.93 = 167.96/x
  3. Step 3: Cross multiply
    476.13x = 713.93 × 167.96
  4. Step 4: Simplify right side
    476.13x = 119,908.53
  5. Step 5: Solve for x
    x = 119,908.53/476.13
  6. Step 6: Final answer
    x = 251.84

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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.