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Finding the Fourth Proportional to 587,309.82, 881,130.11 and 227,589.31

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Solution

The fourth proportional to 587,309.82, 881,130.11 and 227,589.31 is: 341,448.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,309.82 : 881,130.11 = 227,589.31 : x
  2. Step 2: Convert to fraction form
    587,309.82/881,130.11 = 227,589.31/x
  3. Step 3: Cross multiply
    587,309.82x = 881,130.11 × 227,589.31
  4. Step 4: Simplify right side
    587,309.82x = 200,535,793,755.12
  5. Step 5: Solve for x
    x = 200,535,793,755.12/587,309.82
  6. Step 6: Final answer
    x = 341,448.05

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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.