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Finding the Fourth Proportional to 363,883.60, 545,825.40 and 231,351.40

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Solution

The fourth proportional to 363,883.60, 545,825.40 and 231,351.40 is: 347,027.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,883.60 : 545,825.40 = 231,351.40 : x
  2. Step 2: Convert to fraction form
    363,883.60/545,825.40 = 231,351.40/x
  3. Step 3: Cross multiply
    363,883.60x = 545,825.40 × 231,351.40
  4. Step 4: Simplify right side
    363,883.60x = 126,277,470,445.56
  5. Step 5: Solve for x
    x = 126,277,470,445.56/363,883.60
  6. Step 6: Final answer
    x = 347,027.10

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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.