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Finding the Fourth Proportional to 349,920.87, 482,906.15 and 196,968.93

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Solution

The fourth proportional to 349,920.87, 482,906.15 and 196,968.93 is: 271,825.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,920.87 : 482,906.15 = 196,968.93 : x
  2. Step 2: Convert to fraction form
    349,920.87/482,906.15 = 196,968.93/x
  3. Step 3: Cross multiply
    349,920.87x = 482,906.15 × 196,968.93
  4. Step 4: Simplify right side
    349,920.87x = 95,117,507,655.92
  5. Step 5: Solve for x
    x = 95,117,507,655.92/349,920.87
  6. Step 6: Final answer
    x = 271,825.76

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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.