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Finding the Fourth Proportional to 444.17, 613.12 and 296.75

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Solution

The fourth proportional to 444.17, 613.12 and 296.75 is: 409.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.17 : 613.12 = 296.75 : x
  2. Step 2: Convert to fraction form
    444.17/613.12 = 296.75/x
  3. Step 3: Cross multiply
    444.17x = 613.12 × 296.75
  4. Step 4: Simplify right side
    444.17x = 181,940.29
  5. Step 5: Solve for x
    x = 181,940.29/444.17
  6. Step 6: Final answer
    x = 409.62

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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.