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Finding the Fourth Proportional to 466,086.80, 699,648.60 and 256,134.80

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Solution

The fourth proportional to 466,086.80, 699,648.60 and 256,134.80 is: 384,487.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,086.80 : 699,648.60 = 256,134.80 : x
  2. Step 2: Convert to fraction form
    466,086.80/699,648.60 = 256,134.80/x
  3. Step 3: Cross multiply
    466,086.80x = 699,648.60 × 256,134.80
  4. Step 4: Simplify right side
    466,086.80x = 179,204,354,231.28
  5. Step 5: Solve for x
    x = 179,204,354,231.28/466,086.80
  6. Step 6: Final answer
    x = 384,487.08

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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.