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Finding the Fourth Proportional to 314.29, 471.44 and 184.49

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Solution

The fourth proportional to 314.29, 471.44 and 184.49 is: 276.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    314.29 : 471.44 = 184.49 : x
  2. Step 2: Convert to fraction form
    314.29/471.44 = 184.49/x
  3. Step 3: Cross multiply
    314.29x = 471.44 × 184.49
  4. Step 4: Simplify right side
    314.29x = 86,973.86
  5. Step 5: Solve for x
    x = 86,973.86/314.29
  6. Step 6: Final answer
    x = 276.73

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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.