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Finding the Fourth Proportional to 364.04, 546.14 and 171.88

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Solution

The fourth proportional to 364.04, 546.14 and 171.88 is: 257.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.04 : 546.14 = 171.88 : x
  2. Step 2: Convert to fraction form
    364.04/546.14 = 171.88/x
  3. Step 3: Cross multiply
    364.04x = 546.14 × 171.88
  4. Step 4: Simplify right side
    364.04x = 93,870.54
  5. Step 5: Solve for x
    x = 93,870.54/364.04
  6. Step 6: Final answer
    x = 257.86

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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.