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Finding the Fourth Proportional to 493,753.20, 681,191.62 and 365,000.81

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Solution

The fourth proportional to 493,753.20, 681,191.62 and 365,000.81 is: 503,562.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,753.20 : 681,191.62 = 365,000.81 : x
  2. Step 2: Convert to fraction form
    493,753.20/681,191.62 = 365,000.81/x
  3. Step 3: Cross multiply
    493,753.20x = 681,191.62 × 365,000.81
  4. Step 4: Simplify right side
    493,753.20x = 248,635,490,799.88
  5. Step 5: Solve for x
    x = 248,635,490,799.88/493,753.20
  6. Step 6: Final answer
    x = 503,562.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.