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Finding the Fourth Proportional to 580,611.38, 870,917.14 and 181,286.36

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Solution

The fourth proportional to 580,611.38, 870,917.14 and 181,286.36 is: 271,929.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,611.38 : 870,917.14 = 181,286.36 : x
  2. Step 2: Convert to fraction form
    580,611.38/870,917.14 = 181,286.36/x
  3. Step 3: Cross multiply
    580,611.38x = 870,917.14 × 181,286.36
  4. Step 4: Simplify right side
    580,611.38x = 157,885,393,817.63
  5. Step 5: Solve for x
    x = 157,885,393,817.63/580,611.38
  6. Step 6: Final answer
    x = 271,929.55

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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.