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Finding the Fourth Proportional to 260,967.12, 359,791.92 and 188,309.04

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Solution

The fourth proportional to 260,967.12, 359,791.92 and 188,309.04 is: 259,619.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,967.12 : 359,791.92 = 188,309.04 : x
  2. Step 2: Convert to fraction form
    260,967.12/359,791.92 = 188,309.04/x
  3. Step 3: Cross multiply
    260,967.12x = 359,791.92 × 188,309.04
  4. Step 4: Simplify right side
    260,967.12x = 67,752,071,054.96
  5. Step 5: Solve for x
    x = 67,752,071,054.96/260,967.12
  6. Step 6: Final answer
    x = 259,619.19

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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.