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Finding the Fourth Proportional to 467,793.63, 645,554.33 and 263,843.91

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Solution

The fourth proportional to 467,793.63, 645,554.33 and 263,843.91 is: 364,104.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,793.63 : 645,554.33 = 263,843.91 : x
  2. Step 2: Convert to fraction form
    467,793.63/645,554.33 = 263,843.91/x
  3. Step 3: Cross multiply
    467,793.63x = 645,554.33 × 263,843.91
  4. Step 4: Simplify right side
    467,793.63x = 170,325,577,225.41
  5. Step 5: Solve for x
    x = 170,325,577,225.41/467,793.63
  6. Step 6: Final answer
    x = 364,104.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.