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Finding the Fourth Proportional to 347,588.79, 479,717.77 and 194,685.37

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Solution

The fourth proportional to 347,588.79, 479,717.77 and 194,685.37 is: 268,691.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,588.79 : 479,717.77 = 194,685.37 : x
  2. Step 2: Convert to fraction form
    347,588.79/479,717.77 = 194,685.37/x
  3. Step 3: Cross multiply
    347,588.79x = 479,717.77 × 194,685.37
  4. Step 4: Simplify right side
    347,588.79x = 93,394,032,377.91
  5. Step 5: Solve for x
    x = 93,394,032,377.91/347,588.79
  6. Step 6: Final answer
    x = 268,691.15

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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.