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Finding the Fourth Proportional to 548,692.67, 757,049.87 and 376,663.25

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Solution

The fourth proportional to 548,692.67, 757,049.87 and 376,663.25 is: 519,695.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,692.67 : 757,049.87 = 376,663.25 : x
  2. Step 2: Convert to fraction form
    548,692.67/757,049.87 = 376,663.25/x
  3. Step 3: Cross multiply
    548,692.67x = 757,049.87 × 376,663.25
  4. Step 4: Simplify right side
    548,692.67x = 285,152,862,562.96
  5. Step 5: Solve for x
    x = 285,152,862,562.96/548,692.67
  6. Step 6: Final answer
    x = 519,695.05

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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.