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Finding the Fourth Proportional to 374,793.96, 561,290.10 and 214,383.60

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Solution

The fourth proportional to 374,793.96, 561,290.10 and 214,383.60 is: 321,060.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,793.96 : 561,290.10 = 214,383.60 : x
  2. Step 2: Convert to fraction form
    374,793.96/561,290.10 = 214,383.60/x
  3. Step 3: Cross multiply
    374,793.96x = 561,290.10 × 214,383.60
  4. Step 4: Simplify right side
    374,793.96x = 120,331,392,282.36
  5. Step 5: Solve for x
    x = 120,331,392,282.36/374,793.96
  6. Step 6: Final answer
    x = 321,060.12

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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.