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Finding the Fourth Proportional to 476.58, 713.55 and 244.97

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Solution

The fourth proportional to 476.58, 713.55 and 244.97 is: 366.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.58 : 713.55 = 244.97 : x
  2. Step 2: Convert to fraction form
    476.58/713.55 = 244.97/x
  3. Step 3: Cross multiply
    476.58x = 713.55 × 244.97
  4. Step 4: Simplify right side
    476.58x = 174,800.66
  5. Step 5: Solve for x
    x = 174,800.66/476.58
  6. Step 6: Final answer
    x = 366.78

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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.