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Finding the Fourth Proportional to 512,166.15, 768,249.23 and 352,733.85

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Solution

The fourth proportional to 512,166.15, 768,249.23 and 352,733.85 is: 529,100.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,166.15 : 768,249.23 = 352,733.85 : x
  2. Step 2: Convert to fraction form
    512,166.15/768,249.23 = 352,733.85/x
  3. Step 3: Cross multiply
    512,166.15x = 768,249.23 × 352,733.85
  4. Step 4: Simplify right side
    512,166.15x = 270,987,506,893.77
  5. Step 5: Solve for x
    x = 270,987,506,893.77/512,166.15
  6. Step 6: Final answer
    x = 529,100.78

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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.