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Finding the Fourth Proportional to 449,287.71, 673,918.61 and 116,863.71

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Solution

The fourth proportional to 449,287.71, 673,918.61 and 116,863.71 is: 175,292.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,287.71 : 673,918.61 = 116,863.71 : x
  2. Step 2: Convert to fraction form
    449,287.71/673,918.61 = 116,863.71/x
  3. Step 3: Cross multiply
    449,287.71x = 673,918.61 × 116,863.71
  4. Step 4: Simplify right side
    449,287.71x = 78,756,628,418.32
  5. Step 5: Solve for x
    x = 78,756,628,418.32/449,287.71
  6. Step 6: Final answer
    x = 175,292.19

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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.