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Finding the Fourth Proportional to 443.94, 613.07 and 296.92

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Solution

The fourth proportional to 443.94, 613.07 and 296.92 is: 410.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    443.94 : 613.07 = 296.92 : x
  2. Step 2: Convert to fraction form
    443.94/613.07 = 296.92/x
  3. Step 3: Cross multiply
    443.94x = 613.07 × 296.92
  4. Step 4: Simplify right side
    443.94x = 182,032.74
  5. Step 5: Solve for x
    x = 182,032.74/443.94
  6. Step 6: Final answer
    x = 410.04

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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.