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Finding the Fourth Proportional to 609,397.20, 914,180.76 and 254,329.92

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Solution

The fourth proportional to 609,397.20, 914,180.76 and 254,329.92 is: 381,530.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,397.20 : 914,180.76 = 254,329.92 : x
  2. Step 2: Convert to fraction form
    609,397.20/914,180.76 = 254,329.92/x
  3. Step 3: Cross multiply
    609,397.20x = 914,180.76 × 254,329.92
  4. Step 4: Simplify right side
    609,397.20x = 232,503,519,556.34
  5. Step 5: Solve for x
    x = 232,503,519,556.34/609,397.20
  6. Step 6: Final answer
    x = 381,530.34

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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.