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Finding the Fourth Proportional to 476.33, 714.78 and 232.88

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Solution

The fourth proportional to 476.33, 714.78 and 232.88 is: 349.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.33 : 714.78 = 232.88 : x
  2. Step 2: Convert to fraction form
    476.33/714.78 = 232.88/x
  3. Step 3: Cross multiply
    476.33x = 714.78 × 232.88
  4. Step 4: Simplify right side
    476.33x = 166,454.39
  5. Step 5: Solve for x
    x = 166,454.39/476.33
  6. Step 6: Final answer
    x = 349.46

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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.