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Finding the Fourth Proportional to 347,794.70, 521,687.93 and 196,003.23

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Solution

The fourth proportional to 347,794.70, 521,687.93 and 196,003.23 is: 294,002.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,794.70 : 521,687.93 = 196,003.23 : x
  2. Step 2: Convert to fraction form
    347,794.70/521,687.93 = 196,003.23/x
  3. Step 3: Cross multiply
    347,794.70x = 521,687.93 × 196,003.23
  4. Step 4: Simplify right side
    347,794.70x = 102,252,516,395.67
  5. Step 5: Solve for x
    x = 102,252,516,395.67/347,794.70
  6. Step 6: Final answer
    x = 294,002.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.