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Finding the Fourth Proportional to 263,626.28, 395,376.92 and 113,784.74

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Solution

The fourth proportional to 263,626.28, 395,376.92 and 113,784.74 is: 170,650.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,626.28 : 395,376.92 = 113,784.74 : x
  2. Step 2: Convert to fraction form
    263,626.28/395,376.92 = 113,784.74/x
  3. Step 3: Cross multiply
    263,626.28x = 395,376.92 × 113,784.74
  4. Step 4: Simplify right side
    263,626.28x = 44,987,857,498.39
  5. Step 5: Solve for x
    x = 44,987,857,498.39/263,626.28
  6. Step 6: Final answer
    x = 170,650.13

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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.