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Finding the Fourth Proportional to 347,352.54, 479,372.22 and 194,406.06

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Solution

The fourth proportional to 347,352.54, 479,372.22 and 194,406.06 is: 268,294.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,352.54 : 479,372.22 = 194,406.06 : x
  2. Step 2: Convert to fraction form
    347,352.54/479,372.22 = 194,406.06/x
  3. Step 3: Cross multiply
    347,352.54x = 479,372.22 × 194,406.06
  4. Step 4: Simplify right side
    347,352.54x = 93,192,864,563.65
  5. Step 5: Solve for x
    x = 93,192,864,563.65/347,352.54
  6. Step 6: Final answer
    x = 268,294.75

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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.