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Finding the Fourth Proportional to 664,195.90, 996,220 and 237,714.48

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Solution

The fourth proportional to 664,195.90, 996,220 and 237,714.48 is: 356,545.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,195.90 : 996,220 = 237,714.48 : x
  2. Step 2: Convert to fraction form
    664,195.90/996,220 = 237,714.48/x
  3. Step 3: Cross multiply
    664,195.90x = 996,220 × 237,714.48
  4. Step 4: Simplify right side
    664,195.90x = 236,815,919,265.60
  5. Step 5: Solve for x
    x = 236,815,919,265.60/664,195.90
  6. Step 6: Final answer
    x = 356,545.29

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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.