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Finding the Fourth Proportional to 351,872.00, 485,862.86 and 325,004.70

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Solution

The fourth proportional to 351,872.00, 485,862.86 and 325,004.70 is: 448,764.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,872.00 : 485,862.86 = 325,004.70 : x
  2. Step 2: Convert to fraction form
    351,872.00/485,862.86 = 325,004.70/x
  3. Step 3: Cross multiply
    351,872.00x = 485,862.86 × 325,004.70
  4. Step 4: Simplify right side
    351,872.00x = 157,907,713,861.79
  5. Step 5: Solve for x
    x = 157,907,713,861.79/351,872.00
  6. Step 6: Final answer
    x = 448,764.65

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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.