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Finding the Fourth Proportional to 506.73, 759.51 and 290.46

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Solution

The fourth proportional to 506.73, 759.51 and 290.46 is: 435.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    506.73 : 759.51 = 290.46 : x
  2. Step 2: Convert to fraction form
    506.73/759.51 = 290.46/x
  3. Step 3: Cross multiply
    506.73x = 759.51 × 290.46
  4. Step 4: Simplify right side
    506.73x = 220,607.27
  5. Step 5: Solve for x
    x = 220,607.27/506.73
  6. Step 6: Final answer
    x = 435.35

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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.