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Finding the Fourth Proportional to 451,561.78, 677,256.34 and 226,859.95

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Solution

The fourth proportional to 451,561.78, 677,256.34 and 226,859.95 is: 340,246.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,561.78 : 677,256.34 = 226,859.95 : x
  2. Step 2: Convert to fraction form
    451,561.78/677,256.34 = 226,859.95/x
  3. Step 3: Cross multiply
    451,561.78x = 677,256.34 × 226,859.95
  4. Step 4: Simplify right side
    451,561.78x = 153,642,341,406.30
  5. Step 5: Solve for x
    x = 153,642,341,406.30/451,561.78
  6. Step 6: Final answer
    x = 340,246.56

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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.