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Finding the Fourth Proportional to 497,900.80, 746,401.92 and 182,137.60

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Solution

The fourth proportional to 497,900.80, 746,401.92 and 182,137.60 is: 273,042.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,900.80 : 746,401.92 = 182,137.60 : x
  2. Step 2: Convert to fraction form
    497,900.80/746,401.92 = 182,137.60/x
  3. Step 3: Cross multiply
    497,900.80x = 746,401.92 × 182,137.60
  4. Step 4: Simplify right side
    497,900.80x = 135,947,854,344.19
  5. Step 5: Solve for x
    x = 135,947,854,344.19/497,900.80
  6. Step 6: Final answer
    x = 273,042.05

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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.