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Finding the Fourth Proportional to 497,790.40, 746,685.60 and 182,279.20

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Solution

The fourth proportional to 497,790.40, 746,685.60 and 182,279.20 is: 273,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,790.40 : 746,685.60 = 182,279.20 : x
  2. Step 2: Convert to fraction form
    497,790.40/746,685.60 = 182,279.20/x
  3. Step 3: Cross multiply
    497,790.40x = 746,685.60 × 182,279.20
  4. Step 4: Simplify right side
    497,790.40x = 136,105,253,819.52
  5. Step 5: Solve for x
    x = 136,105,253,819.52/497,790.40
  6. Step 6: Final answer
    x = 273,418.80

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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.