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Finding the Fourth Proportional to 347,168.97, 479,070.54 and 194,180.61

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Solution

The fourth proportional to 347,168.97, 479,070.54 and 194,180.61 is: 267,956.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,168.97 : 479,070.54 = 194,180.61 : x
  2. Step 2: Convert to fraction form
    347,168.97/479,070.54 = 194,180.61/x
  3. Step 3: Cross multiply
    347,168.97x = 479,070.54 × 194,180.61
  4. Step 4: Simplify right side
    347,168.97x = 93,026,209,690.23
  5. Step 5: Solve for x
    x = 93,026,209,690.23/347,168.97
  6. Step 6: Final answer
    x = 267,956.58

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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.