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Finding the Fourth Proportional to 534,387.48, 800,309.11 and 309,273.49

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Solution

The fourth proportional to 534,387.48, 800,309.11 and 309,273.49 is: 463,174.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,387.48 : 800,309.11 = 309,273.49 : x
  2. Step 2: Convert to fraction form
    534,387.48/800,309.11 = 309,273.49/x
  3. Step 3: Cross multiply
    534,387.48x = 800,309.11 × 309,273.49
  4. Step 4: Simplify right side
    534,387.48x = 247,514,392,335.58
  5. Step 5: Solve for x
    x = 247,514,392,335.58/534,387.48
  6. Step 6: Final answer
    x = 463,174.01

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.