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Finding the Fourth Proportional to 323,793.10, 484,814.85 and 253,809.10

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Solution

The fourth proportional to 323,793.10, 484,814.85 and 253,809.10 is: 380,027.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,793.10 : 484,814.85 = 253,809.10 : x
  2. Step 2: Convert to fraction form
    323,793.10/484,814.85 = 253,809.10/x
  3. Step 3: Cross multiply
    323,793.10x = 484,814.85 × 253,809.10
  4. Step 4: Simplify right side
    323,793.10x = 123,050,420,745.14
  5. Step 5: Solve for x
    x = 123,050,420,745.14/323,793.10
  6. Step 6: Final answer
    x = 380,027.93

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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.