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Finding the Fourth Proportional to 248,433.80, 372,650.70 and 226,272.20

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Solution

The fourth proportional to 248,433.80, 372,650.70 and 226,272.20 is: 339,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,433.80 : 372,650.70 = 226,272.20 : x
  2. Step 2: Convert to fraction form
    248,433.80/372,650.70 = 226,272.20/x
  3. Step 3: Cross multiply
    248,433.80x = 372,650.70 × 226,272.20
  4. Step 4: Simplify right side
    248,433.80x = 84,320,493,720.54
  5. Step 5: Solve for x
    x = 84,320,493,720.54/248,433.80
  6. Step 6: Final answer
    x = 339,408.30

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1.5x scale

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.