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Finding the Fourth Proportional to 340,976.57, 510,800.55 and 207,525.83

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Solution

The fourth proportional to 340,976.57, 510,800.55 and 207,525.83 is: 310,884.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,976.57 : 510,800.55 = 207,525.83 : x
  2. Step 2: Convert to fraction form
    340,976.57/510,800.55 = 207,525.83/x
  3. Step 3: Cross multiply
    340,976.57x = 510,800.55 × 207,525.83
  4. Step 4: Simplify right side
    340,976.57x = 106,004,309,380.21
  5. Step 5: Solve for x
    x = 106,004,309,380.21/340,976.57
  6. Step 6: Final answer
    x = 310,884.44

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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.