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Finding the Fourth Proportional to 263,432.54, 395,134.90 and 73,906.11

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Solution

The fourth proportional to 263,432.54, 395,134.90 and 73,906.11 is: 110,855.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,432.54 : 395,134.90 = 73,906.11 : x
  2. Step 2: Convert to fraction form
    263,432.54/395,134.90 = 73,906.11/x
  3. Step 3: Cross multiply
    263,432.54x = 395,134.90 × 73,906.11
  4. Step 4: Simplify right side
    263,432.54x = 29,202,883,199.47
  5. Step 5: Solve for x
    x = 29,202,883,199.47/263,432.54
  6. Step 6: Final answer
    x = 110,855.26

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1.5x scale

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.