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Finding the Fourth Proportional to 394.60, 591.58 and 232.04

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Solution

The fourth proportional to 394.60, 591.58 and 232.04 is: 347.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    394.60 : 591.58 = 232.04 : x
  2. Step 2: Convert to fraction form
    394.60/591.58 = 232.04/x
  3. Step 3: Cross multiply
    394.60x = 591.58 × 232.04
  4. Step 4: Simplify right side
    394.60x = 137,270.22
  5. Step 5: Solve for x
    x = 137,270.22/394.60
  6. Step 6: Final answer
    x = 347.87

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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.