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Finding the Fourth Proportional to 650,153.28, 896,850.32 and 378,190.56

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Solution

The fourth proportional to 650,153.28, 896,850.32 and 378,190.56 is: 521,692.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,153.28 : 896,850.32 = 378,190.56 : x
  2. Step 2: Convert to fraction form
    650,153.28/896,850.32 = 378,190.56/x
  3. Step 3: Cross multiply
    650,153.28x = 896,850.32 × 378,190.56
  4. Step 4: Simplify right side
    650,153.28x = 339,180,324,756.98
  5. Step 5: Solve for x
    x = 339,180,324,756.98/650,153.28
  6. Step 6: Final answer
    x = 521,692.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.