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Finding the Fourth Proportional to 260,790.83, 359,537.96 and 222,956.81

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Solution

The fourth proportional to 260,790.83, 359,537.96 and 222,956.81 is: 307,378.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,790.83 : 359,537.96 = 222,956.81 : x
  2. Step 2: Convert to fraction form
    260,790.83/359,537.96 = 222,956.81/x
  3. Step 3: Cross multiply
    260,790.83x = 359,537.96 × 222,956.81
  4. Step 4: Simplify right side
    260,790.83x = 80,161,433,723.03
  5. Step 5: Solve for x
    x = 80,161,433,723.03/260,790.83
  6. Step 6: Final answer
    x = 307,378.27

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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.