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Finding the Fourth Proportional to 436,182.75, 654,006.18 and 169,632.51

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Solution

The fourth proportional to 436,182.75, 654,006.18 and 169,632.51 is: 254,344.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,182.75 : 654,006.18 = 169,632.51 : x
  2. Step 2: Convert to fraction form
    436,182.75/654,006.18 = 169,632.51/x
  3. Step 3: Cross multiply
    436,182.75x = 654,006.18 × 169,632.51
  4. Step 4: Simplify right side
    436,182.75x = 110,940,709,868.91
  5. Step 5: Solve for x
    x = 110,940,709,868.91/436,182.75
  6. Step 6: Final answer
    x = 254,344.56

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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.