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Finding the Fourth Proportional to 451,193.26, 676,940.62 and 147,601.26

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Solution

The fourth proportional to 451,193.26, 676,940.62 and 147,601.26 is: 221,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,193.26 : 676,940.62 = 147,601.26 : x
  2. Step 2: Convert to fraction form
    451,193.26/676,940.62 = 147,601.26/x
  3. Step 3: Cross multiply
    451,193.26x = 676,940.62 × 147,601.26
  4. Step 4: Simplify right side
    451,193.26x = 99,917,288,457.18
  5. Step 5: Solve for x
    x = 99,917,288,457.18/451,193.26
  6. Step 6: Final answer
    x = 221,451.20

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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.