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Finding the Fourth Proportional to 357,797.36, 493,761.39 and 196,668.92

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Solution

The fourth proportional to 357,797.36, 493,761.39 and 196,668.92 is: 271,403.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,797.36 : 493,761.39 = 196,668.92 : x
  2. Step 2: Convert to fraction form
    357,797.36/493,761.39 = 196,668.92/x
  3. Step 3: Cross multiply
    357,797.36x = 493,761.39 × 196,668.92
  4. Step 4: Simplify right side
    357,797.36x = 97,107,519,309.00
  5. Step 5: Solve for x
    x = 97,107,519,309.00/357,797.36
  6. Step 6: Final answer
    x = 271,403.68

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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.