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Finding the Fourth Proportional to 349,668.60, 482,541.97 and 196,706.90

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Solution

The fourth proportional to 349,668.60, 482,541.97 and 196,706.90 is: 271,455.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,668.60 : 482,541.97 = 196,706.90 : x
  2. Step 2: Convert to fraction form
    349,668.60/482,541.97 = 196,706.90/x
  3. Step 3: Cross multiply
    349,668.60x = 482,541.97 × 196,706.90
  4. Step 4: Simplify right side
    349,668.60x = 94,919,335,568.77
  5. Step 5: Solve for x
    x = 94,919,335,568.77/349,668.60
  6. Step 6: Final answer
    x = 271,455.13

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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.