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Finding the Fourth Proportional to 327,306.88, 490,904.52 and 90,594.10

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Solution

The fourth proportional to 327,306.88, 490,904.52 and 90,594.10 is: 135,875.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,306.88 : 490,904.52 = 90,594.10 : x
  2. Step 2: Convert to fraction form
    327,306.88/490,904.52 = 90,594.10/x
  3. Step 3: Cross multiply
    327,306.88x = 490,904.52 × 90,594.10
  4. Step 4: Simplify right side
    327,306.88x = 44,473,053,175.33
  5. Step 5: Solve for x
    x = 44,473,053,175.33/327,306.88
  6. Step 6: Final answer
    x = 135,875.71

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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.