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Finding the Fourth Proportional to 349,540.34, 482,361.08 and 196,578.48

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Solution

The fourth proportional to 349,540.34, 482,361.08 and 196,578.48 is: 271,275.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,540.34 : 482,361.08 = 196,578.48 : x
  2. Step 2: Convert to fraction form
    349,540.34/482,361.08 = 196,578.48/x
  3. Step 3: Cross multiply
    349,540.34x = 482,361.08 × 196,578.48
  4. Step 4: Simplify right side
    349,540.34x = 94,821,806,934.67
  5. Step 5: Solve for x
    x = 94,821,806,934.67/349,540.34
  6. Step 6: Final answer
    x = 271,275.72

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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.