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Finding the Fourth Proportional to 360,940.10, 498,091.29 and 199,791.68

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Solution

The fourth proportional to 360,940.10, 498,091.29 and 199,791.68 is: 275,709.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,940.10 : 498,091.29 = 199,791.68 : x
  2. Step 2: Convert to fraction form
    360,940.10/498,091.29 = 199,791.68/x
  3. Step 3: Cross multiply
    360,940.10x = 498,091.29 × 199,791.68
  4. Step 4: Simplify right side
    360,940.10x = 99,514,492,382.79
  5. Step 5: Solve for x
    x = 99,514,492,382.79/360,940.10
  6. Step 6: Final answer
    x = 275,709.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.