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Finding the Fourth Proportional to 508,175.20, 762,755.16 and 271,684.24

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Solution

The fourth proportional to 508,175.20, 762,755.16 and 271,684.24 is: 407,789.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,175.20 : 762,755.16 = 271,684.24 : x
  2. Step 2: Convert to fraction form
    508,175.20/762,755.16 = 271,684.24/x
  3. Step 3: Cross multiply
    508,175.20x = 762,755.16 × 271,684.24
  4. Step 4: Simplify right side
    508,175.20x = 207,228,555,950.68
  5. Step 5: Solve for x
    x = 207,228,555,950.68/508,175.20
  6. Step 6: Final answer
    x = 407,789.59

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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.