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Finding the Fourth Proportional to 364,996.12, 548,466.18 and 196,645.72

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Solution

The fourth proportional to 364,996.12, 548,466.18 and 196,645.72 is: 295,492.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,996.12 : 548,466.18 = 196,645.72 : x
  2. Step 2: Convert to fraction form
    364,996.12/548,466.18 = 196,645.72/x
  3. Step 3: Cross multiply
    364,996.12x = 548,466.18 × 196,645.72
  4. Step 4: Simplify right side
    364,996.12x = 107,853,526,861.75
  5. Step 5: Solve for x
    x = 107,853,526,861.75/364,996.12
  6. Step 6: Final answer
    x = 295,492.26

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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.