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Finding the Fourth Proportional to 347,178.34, 479,101.80 and 203,951.44

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Solution

The fourth proportional to 347,178.34, 479,101.80 and 203,951.44 is: 281,450.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,178.34 : 479,101.80 = 203,951.44 : x
  2. Step 2: Convert to fraction form
    347,178.34/479,101.80 = 203,951.44/x
  3. Step 3: Cross multiply
    347,178.34x = 479,101.80 × 203,951.44
  4. Step 4: Simplify right side
    347,178.34x = 97,713,502,016.59
  5. Step 5: Solve for x
    x = 97,713,502,016.59/347,178.34
  6. Step 6: Final answer
    x = 281,450.46

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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.