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Finding the Fourth Proportional to 544.56, 818.06 and 328.30

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Solution

The fourth proportional to 544.56, 818.06 and 328.30 is: 493.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.56 : 818.06 = 328.30 : x
  2. Step 2: Convert to fraction form
    544.56/818.06 = 328.30/x
  3. Step 3: Cross multiply
    544.56x = 818.06 × 328.30
  4. Step 4: Simplify right side
    544.56x = 268,569.10
  5. Step 5: Solve for x
    x = 268,569.10/544.56
  6. Step 6: Final answer
    x = 493.19

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.