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Finding the Fourth Proportional to 263,502.44, 395,264.60 and 76,513.94

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Solution

The fourth proportional to 263,502.44, 395,264.60 and 76,513.94 is: 114,774.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,502.44 : 395,264.60 = 76,513.94 : x
  2. Step 2: Convert to fraction form
    263,502.44/395,264.60 = 76,513.94/x
  3. Step 3: Cross multiply
    263,502.44x = 395,264.60 × 76,513.94
  4. Step 4: Simplify right side
    263,502.44x = 30,243,251,505.95
  5. Step 5: Solve for x
    x = 30,243,251,505.95/263,502.44
  6. Step 6: Final answer
    x = 114,774.09

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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.