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Finding the Fourth Proportional to 552.02, 766.90 and 546.95

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Solution

The fourth proportional to 552.02, 766.90 and 546.95 is: 759.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.02 : 766.90 = 546.95 : x
  2. Step 2: Convert to fraction form
    552.02/766.90 = 546.95/x
  3. Step 3: Cross multiply
    552.02x = 766.90 × 546.95
  4. Step 4: Simplify right side
    552.02x = 419,453.22
  5. Step 5: Solve for x
    x = 419,453.22/552.02
  6. Step 6: Final answer
    x = 759.85

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.