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Finding the Fourth Proportional to 580,563.75, 870,621.93 and 225,531.03

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Solution

The fourth proportional to 580,563.75, 870,621.93 and 225,531.03 is: 338,209.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,563.75 : 870,621.93 = 225,531.03 : x
  2. Step 2: Convert to fraction form
    580,563.75/870,621.93 = 225,531.03/x
  3. Step 3: Cross multiply
    580,563.75x = 870,621.93 × 225,531.03
  4. Step 4: Simplify right side
    580,563.75x = 196,352,260,613.49
  5. Step 5: Solve for x
    x = 196,352,260,613.49/580,563.75
  6. Step 6: Final answer
    x = 338,209.65

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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.