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Finding the Fourth Proportional to 494,502.38, 741,886.72 and 254,485.51

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Solution

The fourth proportional to 494,502.38, 741,886.72 and 254,485.51 is: 381,796.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,502.38 : 741,886.72 = 254,485.51 : x
  2. Step 2: Convert to fraction form
    494,502.38/741,886.72 = 254,485.51/x
  3. Step 3: Cross multiply
    494,502.38x = 741,886.72 × 254,485.51
  4. Step 4: Simplify right side
    494,502.38x = 188,799,420,301.43
  5. Step 5: Solve for x
    x = 188,799,420,301.43/494,502.38
  6. Step 6: Final answer
    x = 381,796.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.