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Finding the Fourth Proportional to 490,964.34, 736,213.83 and 171,004.62

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Solution

The fourth proportional to 490,964.34, 736,213.83 and 171,004.62 is: 256,425.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,964.34 : 736,213.83 = 171,004.62 : x
  2. Step 2: Convert to fraction form
    490,964.34/736,213.83 = 171,004.62/x
  3. Step 3: Cross multiply
    490,964.34x = 736,213.83 × 171,004.62
  4. Step 4: Simplify right side
    490,964.34x = 125,895,966,237.90
  5. Step 5: Solve for x
    x = 125,895,966,237.90/490,964.34
  6. Step 6: Final answer
    x = 256,425.89

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1.5x scale

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.