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Finding the Fourth Proportional to 347,658.97, 479,729.71 and 194,675.89

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Solution

The fourth proportional to 347,658.97, 479,729.71 and 194,675.89 is: 268,630.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,658.97 : 479,729.71 = 194,675.89 : x
  2. Step 2: Convert to fraction form
    347,658.97/479,729.71 = 194,675.89/x
  3. Step 3: Cross multiply
    347,658.97x = 479,729.71 × 194,675.89
  4. Step 4: Simplify right side
    347,658.97x = 93,391,808,253.69
  5. Step 5: Solve for x
    x = 93,391,808,253.69/347,658.97
  6. Step 6: Final answer
    x = 268,630.52

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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.