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Finding the Fourth Proportional to 352,134.72, 527,300.46 and 194,187.96

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Solution

The fourth proportional to 352,134.72, 527,300.46 and 194,187.96 is: 290,784.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,134.72 : 527,300.46 = 194,187.96 : x
  2. Step 2: Convert to fraction form
    352,134.72/527,300.46 = 194,187.96/x
  3. Step 3: Cross multiply
    352,134.72x = 527,300.46 × 194,187.96
  4. Step 4: Simplify right side
    352,134.72x = 102,395,400,634.46
  5. Step 5: Solve for x
    x = 102,395,400,634.46/352,134.72
  6. Step 6: Final answer
    x = 290,784.73

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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.