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Finding the Fourth Proportional to 362,419.48, 500,109.11 and 199,067.54

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Solution

The fourth proportional to 362,419.48, 500,109.11 and 199,067.54 is: 274,696.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,419.48 : 500,109.11 = 199,067.54 : x
  2. Step 2: Convert to fraction form
    362,419.48/500,109.11 = 199,067.54/x
  3. Step 3: Cross multiply
    362,419.48x = 500,109.11 × 199,067.54
  4. Step 4: Simplify right side
    362,419.48x = 99,555,490,514.22
  5. Step 5: Solve for x
    x = 99,555,490,514.22/362,419.48
  6. Step 6: Final answer
    x = 274,696.85

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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.