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Finding the Fourth Proportional to 415,092.60, 622,638.90 and 362,604.60

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Solution

The fourth proportional to 415,092.60, 622,638.90 and 362,604.60 is: 543,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,092.60 : 622,638.90 = 362,604.60 : x
  2. Step 2: Convert to fraction form
    415,092.60/622,638.90 = 362,604.60/x
  3. Step 3: Cross multiply
    415,092.60x = 622,638.90 × 362,604.60
  4. Step 4: Simplify right side
    415,092.60x = 225,771,729,278.94
  5. Step 5: Solve for x
    x = 225,771,729,278.94/415,092.60
  6. Step 6: Final answer
    x = 543,906.90

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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.