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Finding the Fourth Proportional to 580,536.41, 870,859.58 and 225,577.80

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Solution

The fourth proportional to 580,536.41, 870,859.58 and 225,577.80 is: 338,388.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,536.41 : 870,859.58 = 225,577.80 : x
  2. Step 2: Convert to fraction form
    580,536.41/870,859.58 = 225,577.80/x
  3. Step 3: Cross multiply
    580,536.41x = 870,859.58 × 225,577.80
  4. Step 4: Simplify right side
    580,536.41x = 196,446,587,037.44
  5. Step 5: Solve for x
    x = 196,446,587,037.44/580,536.41
  6. Step 6: Final answer
    x = 338,388.06

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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.