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Finding the Fourth Proportional to 654.41, 903.04 and 359.66

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Solution

The fourth proportional to 654.41, 903.04 and 359.66 is: 496.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    654.41 : 903.04 = 359.66 : x
  2. Step 2: Convert to fraction form
    654.41/903.04 = 359.66/x
  3. Step 3: Cross multiply
    654.41x = 903.04 × 359.66
  4. Step 4: Simplify right side
    654.41x = 324,788.72
  5. Step 5: Solve for x
    x = 324,788.72/654.41
  6. Step 6: Final answer
    x = 496.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.