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Finding the Fourth Proportional to 451,200.80, 676,776.30 and 151,650.48

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Solution

The fourth proportional to 451,200.80, 676,776.30 and 151,650.48 is: 227,467.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,200.80 : 676,776.30 = 151,650.48 : x
  2. Step 2: Convert to fraction form
    451,200.80/676,776.30 = 151,650.48/x
  3. Step 3: Cross multiply
    451,200.80x = 676,776.30 × 151,650.48
  4. Step 4: Simplify right side
    451,200.80x = 102,633,450,747.62
  5. Step 5: Solve for x
    x = 102,633,450,747.62/451,200.80
  6. Step 6: Final answer
    x = 227,467.35

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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.