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Finding the Fourth Proportional to 364.56, 546.84 and 108

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Solution

The fourth proportional to 364.56, 546.84 and 108 is: 162

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.56 : 546.84 = 108 : x
  2. Step 2: Convert to fraction form
    364.56/546.84 = 108/x
  3. Step 3: Cross multiply
    364.56x = 546.84 × 108
  4. Step 4: Simplify right side
    364.56x = 59,058.72
  5. Step 5: Solve for x
    x = 59,058.72/364.56
  6. Step 6: Final answer
    x = 162

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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.