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Finding the Fourth Proportional to 548,766.82, 757,149.60 and 376,737.40

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Solution

The fourth proportional to 548,766.82, 757,149.60 and 376,737.40 is: 519,795.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,766.82 : 757,149.60 = 376,737.40 : x
  2. Step 2: Convert to fraction form
    548,766.82/757,149.60 = 376,737.40/x
  3. Step 3: Cross multiply
    548,766.82x = 757,149.60 × 376,737.40
  4. Step 4: Simplify right side
    548,766.82x = 285,246,571,715.04
  5. Step 5: Solve for x
    x = 285,246,571,715.04/548,766.82
  6. Step 6: Final answer
    x = 519,795.59

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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.