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Finding the Fourth Proportional to 404,244.81, 606,191.18 and 115,992.95

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Solution

The fourth proportional to 404,244.81, 606,191.18 and 115,992.95 is: 173,938.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,244.81 : 606,191.18 = 115,992.95 : x
  2. Step 2: Convert to fraction form
    404,244.81/606,191.18 = 115,992.95/x
  3. Step 3: Cross multiply
    404,244.81x = 606,191.18 × 115,992.95
  4. Step 4: Simplify right side
    404,244.81x = 70,313,899,621.26
  5. Step 5: Solve for x
    x = 70,313,899,621.26/404,244.81
  6. Step 6: Final answer
    x = 173,938.91

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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.