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Finding the Fourth Proportional to 484,842.02, 726,757.47 and 271,296.86

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Solution

The fourth proportional to 484,842.02, 726,757.47 and 271,296.86 is: 406,662.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,842.02 : 726,757.47 = 271,296.86 : x
  2. Step 2: Convert to fraction form
    484,842.02/726,757.47 = 271,296.86/x
  3. Step 3: Cross multiply
    484,842.02x = 726,757.47 × 271,296.86
  4. Step 4: Simplify right side
    484,842.02x = 197,167,015,958.76
  5. Step 5: Solve for x
    x = 197,167,015,958.76/484,842.02
  6. Step 6: Final answer
    x = 406,662.40

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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.