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Finding the Fourth Proportional to 843,372, 1,265,059.22 and 344,736

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Solution

The fourth proportional to 843,372, 1,265,059.22 and 344,736 is: 517,104.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,372 : 1,265,059.22 = 344,736 : x
  2. Step 2: Convert to fraction form
    843,372/1,265,059.22 = 344,736/x
  3. Step 3: Cross multiply
    843,372x = 1,265,059.22 × 344,736
  4. Step 4: Simplify right side
    843,372x = 436,111,453,542.24
  5. Step 5: Solve for x
    x = 436,111,453,542.24/843,372
  6. Step 6: Final answer
    x = 517,104.50

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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.