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Finding the Fourth Proportional to 355,760.20, 532,785.12 and 203,495.80

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Solution

The fourth proportional to 355,760.20, 532,785.12 and 203,495.80 is: 304,754.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,760.20 : 532,785.12 = 203,495.80 : x
  2. Step 2: Convert to fraction form
    355,760.20/532,785.12 = 203,495.80/x
  3. Step 3: Cross multiply
    355,760.20x = 532,785.12 × 203,495.80
  4. Step 4: Simplify right side
    355,760.20x = 108,419,534,222.50
  5. Step 5: Solve for x
    x = 108,419,534,222.50/355,760.20
  6. Step 6: Final answer
    x = 304,754.53

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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.