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Finding the Fourth Proportional to 347,352.65, 479,336.36 and 192,310.85

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Solution

The fourth proportional to 347,352.65, 479,336.36 and 192,310.85 is: 265,383.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,352.65 : 479,336.36 = 192,310.85 : x
  2. Step 2: Convert to fraction form
    347,352.65/479,336.36 = 192,310.85/x
  3. Step 3: Cross multiply
    347,352.65x = 479,336.36 × 192,310.85
  4. Step 4: Simplify right side
    347,352.65x = 92,181,583,268.14
  5. Step 5: Solve for x
    x = 92,181,583,268.14/347,352.65
  6. Step 6: Final answer
    x = 265,383.27

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1.5x scale

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.