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Finding the Fourth Proportional to 395.04, 592.14 and 178.56

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Solution

The fourth proportional to 395.04, 592.14 and 178.56 is: 267.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.04 : 592.14 = 178.56 : x
  2. Step 2: Convert to fraction form
    395.04/592.14 = 178.56/x
  3. Step 3: Cross multiply
    395.04x = 592.14 × 178.56
  4. Step 4: Simplify right side
    395.04x = 105,732.52
  5. Step 5: Solve for x
    x = 105,732.52/395.04
  6. Step 6: Final answer
    x = 267.65

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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.