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Finding the Fourth Proportional to 255,887.62, 384,164.04 and 196,764.81

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Solution

The fourth proportional to 255,887.62, 384,164.04 and 196,764.81 is: 295,402.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,887.62 : 384,164.04 = 196,764.81 : x
  2. Step 2: Convert to fraction form
    255,887.62/384,164.04 = 196,764.81/x
  3. Step 3: Cross multiply
    255,887.62x = 384,164.04 × 196,764.81
  4. Step 4: Simplify right side
    255,887.62x = 75,589,965,077.30
  5. Step 5: Solve for x
    x = 75,589,965,077.30/255,887.62
  6. Step 6: Final answer
    x = 295,402.98

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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.