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Finding the Fourth Proportional to 373,793.60, 515,830.56 and 212,648.30

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Solution

The fourth proportional to 373,793.60, 515,830.56 and 212,648.30 is: 293,452.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,793.60 : 515,830.56 = 212,648.30 : x
  2. Step 2: Convert to fraction form
    373,793.60/515,830.56 = 212,648.30/x
  3. Step 3: Cross multiply
    373,793.60x = 515,830.56 × 212,648.30
  4. Step 4: Simplify right side
    373,793.60x = 109,690,490,229.83
  5. Step 5: Solve for x
    x = 109,690,490,229.83/373,793.60
  6. Step 6: Final answer
    x = 293,452.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.