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Finding the Fourth Proportional to 503.44, 694.92 and 347.92

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Solution

The fourth proportional to 503.44, 694.92 and 347.92 is: 480.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.44 : 694.92 = 347.92 : x
  2. Step 2: Convert to fraction form
    503.44/694.92 = 347.92/x
  3. Step 3: Cross multiply
    503.44x = 694.92 × 347.92
  4. Step 4: Simplify right side
    503.44x = 241,776.57
  5. Step 5: Solve for x
    x = 241,776.57/503.44
  6. Step 6: Final answer
    x = 480.25

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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.