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Finding the Fourth Proportional to 364.63, 546.82 and 104.56

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Solution

The fourth proportional to 364.63, 546.82 and 104.56 is: 156.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.63 : 546.82 = 104.56 : x
  2. Step 2: Convert to fraction form
    364.63/546.82 = 104.56/x
  3. Step 3: Cross multiply
    364.63x = 546.82 × 104.56
  4. Step 4: Simplify right side
    364.63x = 57,176.95
  5. Step 5: Solve for x
    x = 57,176.95/364.63
  6. Step 6: Final answer
    x = 156.81

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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.