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Finding the Fourth Proportional to 454,251.90, 680,794.65 and 348,546.90

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Solution

The fourth proportional to 454,251.90, 680,794.65 and 348,546.90 is: 522,372.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,251.90 : 680,794.65 = 348,546.90 : x
  2. Step 2: Convert to fraction form
    454,251.90/680,794.65 = 348,546.90/x
  3. Step 3: Cross multiply
    454,251.90x = 680,794.65 × 348,546.90
  4. Step 4: Simplify right side
    454,251.90x = 237,288,864,794.09
  5. Step 5: Solve for x
    x = 237,288,864,794.09/454,251.90
  6. Step 6: Final answer
    x = 522,372.86

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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.