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Finding the Fourth Proportional to 441.22, 607.68 and 374.74

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Solution

The fourth proportional to 441.22, 607.68 and 374.74 is: 516.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.22 : 607.68 = 374.74 : x
  2. Step 2: Convert to fraction form
    441.22/607.68 = 374.74/x
  3. Step 3: Cross multiply
    441.22x = 607.68 × 374.74
  4. Step 4: Simplify right side
    441.22x = 227,722.00
  5. Step 5: Solve for x
    x = 227,722.00/441.22
  6. Step 6: Final answer
    x = 516.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.