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Finding the Fourth Proportional to 609,747.69, 914,621.90 and 254,568.09

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Solution

The fourth proportional to 609,747.69, 914,621.90 and 254,568.09 is: 381,852.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,747.69 : 914,621.90 = 254,568.09 : x
  2. Step 2: Convert to fraction form
    609,747.69/914,621.90 = 254,568.09/x
  3. Step 3: Cross multiply
    609,747.69x = 914,621.90 × 254,568.09
  4. Step 4: Simplify right side
    609,747.69x = 232,833,548,882.33
  5. Step 5: Solve for x
    x = 232,833,548,882.33/609,747.69
  6. Step 6: Final answer
    x = 381,852.29

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Double scale
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1.5x scale

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.