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Finding the Fourth Proportional to 395.15, 592.41 and 296.12

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Solution

The fourth proportional to 395.15, 592.41 and 296.12 is: 443.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.15 : 592.41 = 296.12 : x
  2. Step 2: Convert to fraction form
    395.15/592.41 = 296.12/x
  3. Step 3: Cross multiply
    395.15x = 592.41 × 296.12
  4. Step 4: Simplify right side
    395.15x = 175,427.04
  5. Step 5: Solve for x
    x = 175,427.04/395.15
  6. Step 6: Final answer
    x = 443.96

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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.