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Finding the Fourth Proportional to 609,563.28, 914,430.63 and 254,496.54

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Solution

The fourth proportional to 609,563.28, 914,430.63 and 254,496.54 is: 381,780.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,563.28 : 914,430.63 = 254,496.54 : x
  2. Step 2: Convert to fraction form
    609,563.28/914,430.63 = 254,496.54/x
  3. Step 3: Cross multiply
    609,563.28x = 914,430.63 × 254,496.54
  4. Step 4: Simplify right side
    609,563.28x = 232,719,431,405.02
  5. Step 5: Solve for x
    x = 232,719,431,405.02/609,563.28
  6. Step 6: Final answer
    x = 381,780.59

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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.