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Finding the Fourth Proportional to 512,550.90, 768,899.84 and 157,594.73

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Solution

The fourth proportional to 512,550.90, 768,899.84 and 157,594.73 is: 236,414.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,550.90 : 768,899.84 = 157,594.73 : x
  2. Step 2: Convert to fraction form
    512,550.90/768,899.84 = 157,594.73/x
  3. Step 3: Cross multiply
    512,550.90x = 768,899.84 × 157,594.73
  4. Step 4: Simplify right side
    512,550.90x = 121,174,558,049.37
  5. Step 5: Solve for x
    x = 121,174,558,049.37/512,550.90
  6. Step 6: Final answer
    x = 236,414.68

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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.