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Finding the Fourth Proportional to 506.72, 759.06 and 232.43

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Solution

The fourth proportional to 506.72, 759.06 and 232.43 is: 348.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    506.72 : 759.06 = 232.43 : x
  2. Step 2: Convert to fraction form
    506.72/759.06 = 232.43/x
  3. Step 3: Cross multiply
    506.72x = 759.06 × 232.43
  4. Step 4: Simplify right side
    506.72x = 176,428.32
  5. Step 5: Solve for x
    x = 176,428.32/506.72
  6. Step 6: Final answer
    x = 348.18

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Why These Related Problems?

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