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Finding the Fourth Proportional to 376,209.97, 519,348.37 and 238,457.73

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Solution

The fourth proportional to 376,209.97, 519,348.37 and 238,457.73 is: 329,184.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,209.97 : 519,348.37 = 238,457.73 : x
  2. Step 2: Convert to fraction form
    376,209.97/519,348.37 = 238,457.73/x
  3. Step 3: Cross multiply
    376,209.97x = 519,348.37 × 238,457.73
  4. Step 4: Simplify right side
    376,209.97x = 123,842,631,739.92
  5. Step 5: Solve for x
    x = 123,842,631,739.92/376,209.97
  6. Step 6: Final answer
    x = 329,184.87

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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.