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Finding the Fourth Proportional to 548,692.17, 757,049.18 and 376,662.75

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Solution

The fourth proportional to 548,692.17, 757,049.18 and 376,662.75 is: 519,694.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,692.17 : 757,049.18 = 376,662.75 : x
  2. Step 2: Convert to fraction form
    548,692.17/757,049.18 = 376,662.75/x
  3. Step 3: Cross multiply
    548,692.17x = 757,049.18 × 376,662.75
  4. Step 4: Simplify right side
    548,692.17x = 285,152,224,140.73
  5. Step 5: Solve for x
    x = 285,152,224,140.73/548,692.17
  6. Step 6: Final answer
    x = 519,694.36

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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.