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Finding the Fourth Proportional to 254,743.20, 382,114.80 and 250,806.60

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Solution

The fourth proportional to 254,743.20, 382,114.80 and 250,806.60 is: 376,209.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,743.20 : 382,114.80 = 250,806.60 : x
  2. Step 2: Convert to fraction form
    254,743.20/382,114.80 = 250,806.60/x
  3. Step 3: Cross multiply
    254,743.20x = 382,114.80 × 250,806.60
  4. Step 4: Simplify right side
    254,743.20x = 95,836,913,797.68
  5. Step 5: Solve for x
    x = 95,836,913,797.68/254,743.20
  6. Step 6: Final answer
    x = 376,209.90

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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.