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Finding the Fourth Proportional to 347,956.88, 480,172.37 and 204,726.20

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Solution

The fourth proportional to 347,956.88, 480,172.37 and 204,726.20 is: 282,517.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,956.88 : 480,172.37 = 204,726.20 : x
  2. Step 2: Convert to fraction form
    347,956.88/480,172.37 = 204,726.20/x
  3. Step 3: Cross multiply
    347,956.88x = 480,172.37 × 204,726.20
  4. Step 4: Simplify right side
    347,956.88x = 98,303,861,230.60
  5. Step 5: Solve for x
    x = 98,303,861,230.60/347,956.88
  6. Step 6: Final answer
    x = 282,517.37

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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.