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Finding the Fourth Proportional to 347,263.88, 479,285.57 and 204,023.88

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Solution

The fourth proportional to 347,263.88, 479,285.57 and 204,023.88 is: 281,589.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,263.88 : 479,285.57 = 204,023.88 : x
  2. Step 2: Convert to fraction form
    347,263.88/479,285.57 = 204,023.88/x
  3. Step 3: Cross multiply
    347,263.88x = 479,285.57 × 204,023.88
  4. Step 4: Simplify right side
    347,263.88x = 97,785,702,129.47
  5. Step 5: Solve for x
    x = 97,785,702,129.47/347,263.88
  6. Step 6: Final answer
    x = 281,589.04

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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.