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Finding the Fourth Proportional to 664,194.90, 996,218.51 and 237,713.48

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Solution

The fourth proportional to 664,194.90, 996,218.51 and 237,713.48 is: 356,543.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,194.90 : 996,218.51 = 237,713.48 : x
  2. Step 2: Convert to fraction form
    664,194.90/996,218.51 = 237,713.48/x
  3. Step 3: Cross multiply
    664,194.90x = 996,218.51 × 237,713.48
  4. Step 4: Simplify right side
    664,194.90x = 236,814,562,682.86
  5. Step 5: Solve for x
    x = 236,814,562,682.86/664,194.90
  6. Step 6: Final answer
    x = 356,543.78

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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.