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Finding the Fourth Proportional to 354,847.68, 532,430.64 and 192,791.52

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Solution

The fourth proportional to 354,847.68, 532,430.64 and 192,791.52 is: 289,273.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,847.68 : 532,430.64 = 192,791.52 : x
  2. Step 2: Convert to fraction form
    354,847.68/532,430.64 = 192,791.52/x
  3. Step 3: Cross multiply
    354,847.68x = 532,430.64 × 192,791.52
  4. Step 4: Simplify right side
    354,847.68x = 102,648,112,380.17
  5. Step 5: Solve for x
    x = 102,648,112,380.17/354,847.68
  6. Step 6: Final answer
    x = 289,273.73

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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.