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Finding the Fourth Proportional to 440,260.92, 660,474.34 and 166,789.04

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Solution

The fourth proportional to 440,260.92, 660,474.34 and 166,789.04 is: 250,214.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,260.92 : 660,474.34 = 166,789.04 : x
  2. Step 2: Convert to fraction form
    440,260.92/660,474.34 = 166,789.04/x
  3. Step 3: Cross multiply
    440,260.92x = 660,474.34 × 166,789.04
  4. Step 4: Simplify right side
    440,260.92x = 110,159,880,279.29
  5. Step 5: Solve for x
    x = 110,159,880,279.29/440,260.92
  6. Step 6: Final answer
    x = 250,214.99

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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.