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Finding the Fourth Proportional to 572,198.26, 789,552.96 and 342,701.80

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Solution

The fourth proportional to 572,198.26, 789,552.96 and 342,701.80 is: 472,880.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,198.26 : 789,552.96 = 342,701.80 : x
  2. Step 2: Convert to fraction form
    572,198.26/789,552.96 = 342,701.80/x
  3. Step 3: Cross multiply
    572,198.26x = 789,552.96 × 342,701.80
  4. Step 4: Simplify right side
    572,198.26x = 270,581,220,587.33
  5. Step 5: Solve for x
    x = 270,581,220,587.33/572,198.26
  6. Step 6: Final answer
    x = 472,880.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.