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Finding the Fourth Proportional to 347,192.92, 520,789.38 and 329,463.64

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Solution

The fourth proportional to 347,192.92, 520,789.38 and 329,463.64 is: 494,195.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,192.92 : 520,789.38 = 329,463.64 : x
  2. Step 2: Convert to fraction form
    347,192.92/520,789.38 = 329,463.64/x
  3. Step 3: Cross multiply
    347,192.92x = 520,789.38 × 329,463.64
  4. Step 4: Simplify right side
    347,192.92x = 171,581,164,808.14
  5. Step 5: Solve for x
    x = 171,581,164,808.14/347,192.92
  6. Step 6: Final answer
    x = 494,195.46

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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.