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Finding the Fourth Proportional to 590,940.80, 887,067.30 and 366,554.60

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Solution

The fourth proportional to 590,940.80, 887,067.30 and 366,554.60 is: 550,238.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,940.80 : 887,067.30 = 366,554.60 : x
  2. Step 2: Convert to fraction form
    590,940.80/887,067.30 = 366,554.60/x
  3. Step 3: Cross multiply
    590,940.80x = 887,067.30 × 366,554.60
  4. Step 4: Simplify right side
    590,940.80x = 325,158,599,324.58
  5. Step 5: Solve for x
    x = 325,158,599,324.58/590,940.80
  6. Step 6: Final answer
    x = 550,238.87

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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.