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Finding the Fourth Proportional to 347,309.62, 479,361.71 and 226,234.87

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Solution

The fourth proportional to 347,309.62, 479,361.71 and 226,234.87 is: 312,252.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,309.62 : 479,361.71 = 226,234.87 : x
  2. Step 2: Convert to fraction form
    347,309.62/479,361.71 = 226,234.87/x
  3. Step 3: Cross multiply
    347,309.62x = 479,361.71 × 226,234.87
  4. Step 4: Simplify right side
    347,309.62x = 108,448,330,616.85
  5. Step 5: Solve for x
    x = 108,448,330,616.85/347,309.62
  6. Step 6: Final answer
    x = 312,252.60

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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.