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Finding the Fourth Proportional to 531,730.57, 797,147.52 and 231,991.30

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Solution

The fourth proportional to 531,730.57, 797,147.52 and 231,991.30 is: 347,791.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,730.57 : 797,147.52 = 231,991.30 : x
  2. Step 2: Convert to fraction form
    531,730.57/797,147.52 = 231,991.30/x
  3. Step 3: Cross multiply
    531,730.57x = 797,147.52 × 231,991.30
  4. Step 4: Simplify right side
    531,730.57x = 184,931,289,456.58
  5. Step 5: Solve for x
    x = 184,931,289,456.58/531,730.57
  6. Step 6: Final answer
    x = 347,791.34

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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.