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Finding the Fourth Proportional to 327,403.01, 490,513.52 and 137,523.52

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Solution

The fourth proportional to 327,403.01, 490,513.52 and 137,523.52 is: 206,037.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,403.01 : 490,513.52 = 137,523.52 : x
  2. Step 2: Convert to fraction form
    327,403.01/490,513.52 = 137,523.52/x
  3. Step 3: Cross multiply
    327,403.01x = 490,513.52 × 137,523.52
  4. Step 4: Simplify right side
    327,403.01x = 67,457,146,834.94
  5. Step 5: Solve for x
    x = 67,457,146,834.94/327,403.01
  6. Step 6: Final answer
    x = 206,037.04

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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.