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Finding the Fourth Proportional to 476.47, 714.12 and 233.29

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Solution

The fourth proportional to 476.47, 714.12 and 233.29 is: 349.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.47 : 714.12 = 233.29 : x
  2. Step 2: Convert to fraction form
    476.47/714.12 = 233.29/x
  3. Step 3: Cross multiply
    476.47x = 714.12 × 233.29
  4. Step 4: Simplify right side
    476.47x = 166,597.05
  5. Step 5: Solve for x
    x = 166,597.05/476.47
  6. Step 6: Final answer
    x = 349.65

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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.