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Finding the Fourth Proportional to 364.56, 546.72 and 104.46

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Solution

The fourth proportional to 364.56, 546.72 and 104.46 is: 156.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.56 : 546.72 = 104.46 : x
  2. Step 2: Convert to fraction form
    364.56/546.72 = 104.46/x
  3. Step 3: Cross multiply
    364.56x = 546.72 × 104.46
  4. Step 4: Simplify right side
    364.56x = 57,110.37
  5. Step 5: Solve for x
    x = 57,110.37/364.56
  6. Step 6: Final answer
    x = 156.66

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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.