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Finding the Fourth Proportional to 490,960.34, 736,207.83 and 171,000.62

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Solution

The fourth proportional to 490,960.34, 736,207.83 and 171,000.62 is: 256,419.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,960.34 : 736,207.83 = 171,000.62 : x
  2. Step 2: Convert to fraction form
    490,960.34/736,207.83 = 171,000.62/x
  3. Step 3: Cross multiply
    490,960.34x = 736,207.83 × 171,000.62
  4. Step 4: Simplify right side
    490,960.34x = 125,891,991,697.82
  5. Step 5: Solve for x
    x = 125,891,991,697.82/490,960.34
  6. Step 6: Final answer
    x = 256,419.88

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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.