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Finding the Fourth Proportional to 395, 592.44 and 189.26

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Solution

The fourth proportional to 395, 592.44 and 189.26 is: 283.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    395 : 592.44 = 189.26 : x
  2. Step 2: Convert to fraction form
    395/592.44 = 189.26/x
  3. Step 3: Cross multiply
    395x = 592.44 × 189.26
  4. Step 4: Simplify right side
    395x = 112,125.19
  5. Step 5: Solve for x
    x = 112,125.19/395
  6. Step 6: Final answer
    x = 283.86

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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.