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Finding the Fourth Proportional to 647,598.37, 971,399.38 and 226,775.83

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Solution

The fourth proportional to 647,598.37, 971,399.38 and 226,775.83 is: 340,164.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,598.37 : 971,399.38 = 226,775.83 : x
  2. Step 2: Convert to fraction form
    647,598.37/971,399.38 = 226,775.83/x
  3. Step 3: Cross multiply
    647,598.37x = 971,399.38 × 226,775.83
  4. Step 4: Simplify right side
    647,598.37x = 220,289,900,660.99
  5. Step 5: Solve for x
    x = 220,289,900,660.99/647,598.37
  6. Step 6: Final answer
    x = 340,164.38

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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.