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Finding the Fourth Proportional to 364.56, 546.76 and 104.57

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Solution

The fourth proportional to 364.56, 546.76 and 104.57 is: 156.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.56 : 546.76 = 104.57 : x
  2. Step 2: Convert to fraction form
    364.56/546.76 = 104.57/x
  3. Step 3: Cross multiply
    364.56x = 546.76 × 104.57
  4. Step 4: Simplify right side
    364.56x = 57,174.69
  5. Step 5: Solve for x
    x = 57,174.69/364.56
  6. Step 6: Final answer
    x = 156.83

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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.