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Finding the Fourth Proportional to 539,650.48, 809,334.60 and 160,469.16

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Solution

The fourth proportional to 539,650.48, 809,334.60 and 160,469.16 is: 240,661.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,650.48 : 809,334.60 = 160,469.16 : x
  2. Step 2: Convert to fraction form
    539,650.48/809,334.60 = 160,469.16/x
  3. Step 3: Cross multiply
    539,650.48x = 809,334.60 × 160,469.16
  4. Step 4: Simplify right side
    539,650.48x = 129,873,243,420.94
  5. Step 5: Solve for x
    x = 129,873,243,420.94/539,650.48
  6. Step 6: Final answer
    x = 240,661.78

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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.