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Finding the Fourth Proportional to 476.23, 713.70 and 244.63

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Solution

The fourth proportional to 476.23, 713.70 and 244.63 is: 366.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.23 : 713.70 = 244.63 : x
  2. Step 2: Convert to fraction form
    476.23/713.70 = 244.63/x
  3. Step 3: Cross multiply
    476.23x = 713.70 × 244.63
  4. Step 4: Simplify right side
    476.23x = 174,592.43
  5. Step 5: Solve for x
    x = 174,592.43/476.23
  6. Step 6: Final answer
    x = 366.61

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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.