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Finding the Fourth Proportional to 503.17, 694.33 and 282.08

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Solution

The fourth proportional to 503.17, 694.33 and 282.08 is: 389.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.17 : 694.33 = 282.08 : x
  2. Step 2: Convert to fraction form
    503.17/694.33 = 282.08/x
  3. Step 3: Cross multiply
    503.17x = 694.33 × 282.08
  4. Step 4: Simplify right side
    503.17x = 195,853.73
  5. Step 5: Solve for x
    x = 195,853.73/503.17
  6. Step 6: Final answer
    x = 389.24

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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.