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Finding the Fourth Proportional to 492,559.48, 680,179.98 and 371,493.64

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Solution

The fourth proportional to 492,559.48, 680,179.98 and 371,493.64 is: 512,999.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,559.48 : 680,179.98 = 371,493.64 : x
  2. Step 2: Convert to fraction form
    492,559.48/680,179.98 = 371,493.64/x
  3. Step 3: Cross multiply
    492,559.48x = 680,179.98 × 371,493.64
  4. Step 4: Simplify right side
    492,559.48x = 252,682,536,625.33
  5. Step 5: Solve for x
    x = 252,682,536,625.33/492,559.48
  6. Step 6: Final answer
    x = 512,999.03

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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.