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Finding the Fourth Proportional to 573,198.80, 859,805.40 and 173,843.60

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Solution

The fourth proportional to 573,198.80, 859,805.40 and 173,843.60 is: 260,767.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,198.80 : 859,805.40 = 173,843.60 : x
  2. Step 2: Convert to fraction form
    573,198.80/859,805.40 = 173,843.60/x
  3. Step 3: Cross multiply
    573,198.80x = 859,805.40 × 173,843.60
  4. Step 4: Simplify right side
    573,198.80x = 149,471,666,035.44
  5. Step 5: Solve for x
    x = 149,471,666,035.44/573,198.80
  6. Step 6: Final answer
    x = 260,767.58

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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.