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Finding the Fourth Proportional to 535.91, 739.57 and 303.04

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Solution

The fourth proportional to 535.91, 739.57 and 303.04 is: 418.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.91 : 739.57 = 303.04 : x
  2. Step 2: Convert to fraction form
    535.91/739.57 = 303.04/x
  3. Step 3: Cross multiply
    535.91x = 739.57 × 303.04
  4. Step 4: Simplify right side
    535.91x = 224,119.29
  5. Step 5: Solve for x
    x = 224,119.29/535.91
  6. Step 6: Final answer
    x = 418.20

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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.