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Finding the Fourth Proportional to 262,015.22, 393,022.83 and 65,023.22

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Solution

The fourth proportional to 262,015.22, 393,022.83 and 65,023.22 is: 97,534.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,015.22 : 393,022.83 = 65,023.22 : x
  2. Step 2: Convert to fraction form
    262,015.22/393,022.83 = 65,023.22/x
  3. Step 3: Cross multiply
    262,015.22x = 393,022.83 × 65,023.22
  4. Step 4: Simplify right side
    262,015.22x = 25,555,609,940.11
  5. Step 5: Solve for x
    x = 25,555,609,940.11/262,015.22
  6. Step 6: Final answer
    x = 97,534.83

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.