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Finding the Fourth Proportional to 361,051.22, 498,266.26 and 199,906.27

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Solution

The fourth proportional to 361,051.22, 498,266.26 and 199,906.27 is: 275,879.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,051.22 : 498,266.26 = 199,906.27 : x
  2. Step 2: Convert to fraction form
    361,051.22/498,266.26 = 199,906.27/x
  3. Step 3: Cross multiply
    361,051.22x = 498,266.26 × 199,906.27
  4. Step 4: Simplify right side
    361,051.22x = 99,606,549,503.45
  5. Step 5: Solve for x
    x = 99,606,549,503.45/361,051.22
  6. Step 6: Final answer
    x = 275,879.28

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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.