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Finding the Fourth Proportional to 353,517.25, 530,280.81 and 100,797.83

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Solution

The fourth proportional to 353,517.25, 530,280.81 and 100,797.83 is: 151,198.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,517.25 : 530,280.81 = 100,797.83 : x
  2. Step 2: Convert to fraction form
    353,517.25/530,280.81 = 100,797.83/x
  3. Step 3: Cross multiply
    353,517.25x = 530,280.81 × 100,797.83
  4. Step 4: Simplify right side
    353,517.25x = 53,451,156,264.34
  5. Step 5: Solve for x
    x = 53,451,156,264.34/353,517.25
  6. Step 6: Final answer
    x = 151,198.16

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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.