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Finding the Fourth Proportional to 1,801,976.60, 2,702,964.90 and 736,664.60

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Solution

The fourth proportional to 1,801,976.60, 2,702,964.90 and 736,664.60 is: 1,104,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801,976.60 : 2,702,964.90 = 736,664.60 : x
  2. Step 2: Convert to fraction form
    1,801,976.60/2,702,964.90 = 736,664.60/x
  3. Step 3: Cross multiply
    1,801,976.60x = 2,702,964.90 × 736,664.60
  4. Step 4: Simplify right side
    1,801,976.60x = 1,991,178,556,872.54
  5. Step 5: Solve for x
    x = 1,991,178,556,872.54/1,801,976.60
  6. Step 6: Final answer
    x = 1,104,996.90

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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.