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Finding the Fourth Proportional to 609,783.39, 914,528.04 and 254,604.87

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Solution

The fourth proportional to 609,783.39, 914,528.04 and 254,604.87 is: 381,845.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,783.39 : 914,528.04 = 254,604.87 : x
  2. Step 2: Convert to fraction form
    609,783.39/914,528.04 = 254,604.87/x
  3. Step 3: Cross multiply
    609,783.39x = 914,528.04 × 254,604.87
  4. Step 4: Simplify right side
    609,783.39x = 232,843,292,735.56
  5. Step 5: Solve for x
    x = 232,843,292,735.56/609,783.39
  6. Step 6: Final answer
    x = 381,845.91

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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.