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Finding the Fourth Proportional to 476.22, 714.68 and 232.94

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Solution

The fourth proportional to 476.22, 714.68 and 232.94 is: 349.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.22 : 714.68 = 232.94 : x
  2. Step 2: Convert to fraction form
    476.22/714.68 = 232.94/x
  3. Step 3: Cross multiply
    476.22x = 714.68 × 232.94
  4. Step 4: Simplify right side
    476.22x = 166,477.56
  5. Step 5: Solve for x
    x = 166,477.56/476.22
  6. Step 6: Final answer
    x = 349.58

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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.