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Finding the Fourth Proportional to 331,625.60, 497,092.80 and 181,635.20

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Solution

The fourth proportional to 331,625.60, 497,092.80 and 181,635.20 is: 272,263.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,625.60 : 497,092.80 = 181,635.20 : x
  2. Step 2: Convert to fraction form
    331,625.60/497,092.80 = 181,635.20/x
  3. Step 3: Cross multiply
    331,625.60x = 497,092.80 × 181,635.20
  4. Step 4: Simplify right side
    331,625.60x = 90,289,550,146.56
  5. Step 5: Solve for x
    x = 90,289,550,146.56/331,625.60
  6. Step 6: Final answer
    x = 272,263.51

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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.