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Finding the Fourth Proportional to 436,183.76, 654,007.66 and 169,633.52

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Solution

The fourth proportional to 436,183.76, 654,007.66 and 169,633.52 is: 254,346.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,183.76 : 654,007.66 = 169,633.52 : x
  2. Step 2: Convert to fraction form
    436,183.76/654,007.66 = 169,633.52/x
  3. Step 3: Cross multiply
    436,183.76x = 654,007.66 × 169,633.52
  4. Step 4: Simplify right side
    436,183.76x = 110,941,621,472.76
  5. Step 5: Solve for x
    x = 110,941,621,472.76/436,183.76
  6. Step 6: Final answer
    x = 254,346.06

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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.