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Finding the Fourth Proportional to 476.10, 714.41 and 232.63

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Solution

The fourth proportional to 476.10, 714.41 and 232.63 is: 349.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.10 : 714.41 = 232.63 : x
  2. Step 2: Convert to fraction form
    476.10/714.41 = 232.63/x
  3. Step 3: Cross multiply
    476.10x = 714.41 × 232.63
  4. Step 4: Simplify right side
    476.10x = 166,192.43
  5. Step 5: Solve for x
    x = 166,192.43/476.10
  6. Step 6: Final answer
    x = 349.07

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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.