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Finding the Fourth Proportional to 263,595.94, 395,788.47 and 228,166.90

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Solution

The fourth proportional to 263,595.94, 395,788.47 and 228,166.90 is: 342,591.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,595.94 : 395,788.47 = 228,166.90 : x
  2. Step 2: Convert to fraction form
    263,595.94/395,788.47 = 228,166.90/x
  3. Step 3: Cross multiply
    263,595.94x = 395,788.47 × 228,166.90
  4. Step 4: Simplify right side
    263,595.94x = 90,305,828,255.64
  5. Step 5: Solve for x
    x = 90,305,828,255.64/263,595.94
  6. Step 6: Final answer
    x = 342,591.88

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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.