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Finding the Fourth Proportional to 347,726.88, 479,874.96 and 194,771.61

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Solution

The fourth proportional to 347,726.88, 479,874.96 and 194,771.61 is: 268,791.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,726.88 : 479,874.96 = 194,771.61 : x
  2. Step 2: Convert to fraction form
    347,726.88/479,874.96 = 194,771.61/x
  3. Step 3: Cross multiply
    347,726.88x = 479,874.96 × 194,771.61
  4. Step 4: Simplify right side
    347,726.88x = 93,466,018,557.89
  5. Step 5: Solve for x
    x = 93,466,018,557.89/347,726.88
  6. Step 6: Final answer
    x = 268,791.47

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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.