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Finding the Fourth Proportional to 268,476.99, 401,839.25 and 197,380.83

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Solution

The fourth proportional to 268,476.99, 401,839.25 and 197,380.83 is: 295,427.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,476.99 : 401,839.25 = 197,380.83 : x
  2. Step 2: Convert to fraction form
    268,476.99/401,839.25 = 197,380.83/x
  3. Step 3: Cross multiply
    268,476.99x = 401,839.25 × 197,380.83
  4. Step 4: Simplify right side
    268,476.99x = 79,315,363,704.67
  5. Step 5: Solve for x
    x = 79,315,363,704.67/268,476.99
  6. Step 6: Final answer
    x = 295,427.04

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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.