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Finding the Fourth Proportional to 349,375.46, 482,155.23 and 196,461.79

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Solution

The fourth proportional to 349,375.46, 482,155.23 and 196,461.79 is: 271,126.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,375.46 : 482,155.23 = 196,461.79 : x
  2. Step 2: Convert to fraction form
    349,375.46/482,155.23 = 196,461.79/x
  3. Step 3: Cross multiply
    349,375.46x = 482,155.23 × 196,461.79
  4. Step 4: Simplify right side
    349,375.46x = 94,725,078,338.27
  5. Step 5: Solve for x
    x = 94,725,078,338.27/349,375.46
  6. Step 6: Final answer
    x = 271,126.88

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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.