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Finding the Fourth Proportional to 539,839.13, 809,933.57 and 160,763

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Solution

The fourth proportional to 539,839.13, 809,933.57 and 160,763 is: 241,196.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,839.13 : 809,933.57 = 160,763 : x
  2. Step 2: Convert to fraction form
    539,839.13/809,933.57 = 160,763/x
  3. Step 3: Cross multiply
    539,839.13x = 809,933.57 × 160,763
  4. Step 4: Simplify right side
    539,839.13x = 130,207,350,513.91
  5. Step 5: Solve for x
    x = 130,207,350,513.91/539,839.13
  6. Step 6: Final answer
    x = 241,196.58

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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.