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Finding the Fourth Proportional to 263,676.76, 395,510.96 and 63,998.80

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Solution

The fourth proportional to 263,676.76, 395,510.96 and 63,998.80 is: 95,997.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,676.76 : 395,510.96 = 63,998.80 : x
  2. Step 2: Convert to fraction form
    263,676.76/395,510.96 = 63,998.80/x
  3. Step 3: Cross multiply
    263,676.76x = 395,510.96 × 63,998.80
  4. Step 4: Simplify right side
    263,676.76x = 25,312,226,826.85
  5. Step 5: Solve for x
    x = 25,312,226,826.85/263,676.76
  6. Step 6: Final answer
    x = 95,997.19

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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.