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Finding the Fourth Proportional to 647,247.80, 971,303.58 and 226,523.72

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Solution

The fourth proportional to 647,247.80, 971,303.58 and 226,523.72 is: 339,936.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,247.80 : 971,303.58 = 226,523.72 : x
  2. Step 2: Convert to fraction form
    647,247.80/971,303.58 = 226,523.72/x
  3. Step 3: Cross multiply
    647,247.80x = 971,303.58 × 226,523.72
  4. Step 4: Simplify right side
    647,247.80x = 220,023,300,190.92
  5. Step 5: Solve for x
    x = 220,023,300,190.92/647,247.80
  6. Step 6: Final answer
    x = 339,936.73

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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.