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Finding the Fourth Proportional to 347,372.89, 479,383.10 and 194,409.88

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Solution

The fourth proportional to 347,372.89, 479,383.10 and 194,409.88 is: 268,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,372.89 : 479,383.10 = 194,409.88 : x
  2. Step 2: Convert to fraction form
    347,372.89/479,383.10 = 194,409.88/x
  3. Step 3: Cross multiply
    347,372.89x = 479,383.10 × 194,409.88
  4. Step 4: Simplify right side
    347,372.89x = 93,196,809,503.56
  5. Step 5: Solve for x
    x = 93,196,809,503.56/347,372.89
  6. Step 6: Final answer
    x = 268,290.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.