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Finding the Fourth Proportional to 476.39, 714.67 and 232.92

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Solution

The fourth proportional to 476.39, 714.67 and 232.92 is: 349.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.39 : 714.67 = 232.92 : x
  2. Step 2: Convert to fraction form
    476.39/714.67 = 232.92/x
  3. Step 3: Cross multiply
    476.39x = 714.67 × 232.92
  4. Step 4: Simplify right side
    476.39x = 166,460.35
  5. Step 5: Solve for x
    x = 166,460.35/476.39
  6. Step 6: Final answer
    x = 349.42

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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.