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Finding the Fourth Proportional to 314.70, 471.60 and 184.73

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Solution

The fourth proportional to 314.70, 471.60 and 184.73 is: 276.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    314.70 : 471.60 = 184.73 : x
  2. Step 2: Convert to fraction form
    314.70/471.60 = 184.73/x
  3. Step 3: Cross multiply
    314.70x = 471.60 × 184.73
  4. Step 4: Simplify right side
    314.70x = 87,115.39
  5. Step 5: Solve for x
    x = 87,115.39/314.70
  6. Step 6: Final answer
    x = 276.82

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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.