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Finding the Fourth Proportional to 344,513.44, 475,424.40 and 193,636

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Solution

The fourth proportional to 344,513.44, 475,424.40 and 193,636 is: 267,215.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,513.44 : 475,424.40 = 193,636 : x
  2. Step 2: Convert to fraction form
    344,513.44/475,424.40 = 193,636/x
  3. Step 3: Cross multiply
    344,513.44x = 475,424.40 × 193,636
  4. Step 4: Simplify right side
    344,513.44x = 92,059,279,118.40
  5. Step 5: Solve for x
    x = 92,059,279,118.40/344,513.44
  6. Step 6: Final answer
    x = 267,215.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.