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Finding the Fourth Proportional to 293,769.60, 440,654.40 and 188,793.60

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Solution

The fourth proportional to 293,769.60, 440,654.40 and 188,793.60 is: 283,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,769.60 : 440,654.40 = 188,793.60 : x
  2. Step 2: Convert to fraction form
    293,769.60/440,654.40 = 188,793.60/x
  3. Step 3: Cross multiply
    293,769.60x = 440,654.40 × 188,793.60
  4. Step 4: Simplify right side
    293,769.60x = 83,192,730,531.84
  5. Step 5: Solve for x
    x = 83,192,730,531.84/293,769.60
  6. Step 6: Final answer
    x = 283,190.40

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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.