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Finding the Fourth Proportional to 502.56, 754.02 and 259.25

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Solution

The fourth proportional to 502.56, 754.02 and 259.25 is: 388.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.56 : 754.02 = 259.25 : x
  2. Step 2: Convert to fraction form
    502.56/754.02 = 259.25/x
  3. Step 3: Cross multiply
    502.56x = 754.02 × 259.25
  4. Step 4: Simplify right side
    502.56x = 195,475.91
  5. Step 5: Solve for x
    x = 195,475.91/502.56
  6. Step 6: Final answer
    x = 388.96

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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.