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Finding the Fourth Proportional to 376,794.24, 519,456.42 and 300,571.92

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Solution

The fourth proportional to 376,794.24, 519,456.42 and 300,571.92 is: 414,374.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,794.24 : 519,456.42 = 300,571.92 : x
  2. Step 2: Convert to fraction form
    376,794.24/519,456.42 = 300,571.92/x
  3. Step 3: Cross multiply
    376,794.24x = 519,456.42 × 300,571.92
  4. Step 4: Simplify right side
    376,794.24x = 156,134,013,515.73
  5. Step 5: Solve for x
    x = 156,134,013,515.73/376,794.24
  6. Step 6: Final answer
    x = 414,374.74

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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.