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Finding the Fourth Proportional to 580,644.45, 870,742.03 and 225,611.73

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Solution

The fourth proportional to 580,644.45, 870,742.03 and 225,611.73 is: 338,330.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,644.45 : 870,742.03 = 225,611.73 : x
  2. Step 2: Convert to fraction form
    580,644.45/870,742.03 = 225,611.73/x
  3. Step 3: Cross multiply
    580,644.45x = 870,742.03 × 225,611.73
  4. Step 4: Simplify right side
    580,644.45x = 196,449,615,772.01
  5. Step 5: Solve for x
    x = 196,449,615,772.01/580,644.45
  6. Step 6: Final answer
    x = 338,330.31

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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.