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Finding the Fourth Proportional to 365,010.12, 548,487.18 and 196,659.72

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Solution

The fourth proportional to 365,010.12, 548,487.18 and 196,659.72 is: 295,513.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,010.12 : 548,487.18 = 196,659.72 : x
  2. Step 2: Convert to fraction form
    365,010.12/548,487.18 = 196,659.72/x
  3. Step 3: Cross multiply
    365,010.12x = 548,487.18 × 196,659.72
  4. Step 4: Simplify right side
    365,010.12x = 107,865,335,242.39
  5. Step 5: Solve for x
    x = 107,865,335,242.39/365,010.12
  6. Step 6: Final answer
    x = 295,513.27

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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.