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Finding the Fourth Proportional to 476.96, 714.94 and 233.18

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Solution

The fourth proportional to 476.96, 714.94 and 233.18 is: 349.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.96 : 714.94 = 233.18 : x
  2. Step 2: Convert to fraction form
    476.96/714.94 = 233.18/x
  3. Step 3: Cross multiply
    476.96x = 714.94 × 233.18
  4. Step 4: Simplify right side
    476.96x = 166,709.71
  5. Step 5: Solve for x
    x = 166,709.71/476.96
  6. Step 6: Final answer
    x = 349.53

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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.