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Finding the Fourth Proportional to 364.46, 546.70 and 104.48

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Solution

The fourth proportional to 364.46, 546.70 and 104.48 is: 156.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.46 : 546.70 = 104.48 : x
  2. Step 2: Convert to fraction form
    364.46/546.70 = 104.48/x
  3. Step 3: Cross multiply
    364.46x = 546.70 × 104.48
  4. Step 4: Simplify right side
    364.46x = 57,120.32
  5. Step 5: Solve for x
    x = 57,120.32/364.46
  6. Step 6: Final answer
    x = 156.73

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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.